{"title":"Herkimer Diamond – Properties, Origin \u0026 Special Features | Gemstone Encyclopedia","description":"\u003ch2\u003eHerkimer Diamonds captivate with their exceptional clarity and natural crystal form.\u003c\/h2\u003e\n\u003cp\u003e\u003cbr data-start=\"470\" data-end=\"473\"\u003eA fascinating quartz with special brilliance and unique character.\u003c\/p\u003e","products":[{"product_id":"herkimer-diamant-quarz-trommelstein-schmuck-ketten-anhanger-6698","title":"Herkimer \"Diamond\" Quartz Tumbled Stone Jewelry Necklace Pendant Gemstone A Quality #6698 - seelensteinchen","description":"\u003ch2\u003e\u003cstrong\u003eGemstone Tumbled Stone Pendant Made of Herkimer \"Diamond\" Quartz with Tourmaline – incl. Fabric Cord\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eAn extraordinary pendant made of \u003cstrong\u003eHerkimer \"Diamond\" Quartz\u003c\/strong\u003e with embedded \u003cstrong\u003eTourmaline\u003c\/strong\u003e, which impresses with its clear structure and striking black inclusions.\u003cbr\u003eThe highly polished, natural quartz shows the typical brilliance and purity of a Herkimer crystal – complemented by fascinating tourmaline veins that make each piece a distinctive one-of-a-kind.\u003c\/p\u003e\u003cp\u003eThe gemstone measures approx. \u003cstrong\u003e26 × 18 mm\u003c\/strong\u003e and is comfortably light to wear.\u003cbr\u003eWith a \u003cstrong\u003edrilled hole of approx. 2.5 mm\u003c\/strong\u003e, it is perfect for leather cords, omega necklaces, or delicate silver chains.\u003c\/p\u003e\u003cp\u003eThe included \u003cstrong\u003eblack fabric cord (approx. 80 cm)\u003c\/strong\u003e lies softly and smoothly on the skin and ensures high wearing comfort.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cbr\u003e\"Herkimer Diamond\" is a \u003cstrong\u003etrade name for Herkimer Quartz\u003c\/strong\u003e – \u003cstrong\u003enot a real diamond\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eYou will receive \u003cstrong\u003ethe gemstone pendant pictured\u003c\/strong\u003e – a unique natural piece with a clear, powerful aura.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Herkimer Quartz with Tourmaline inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eTrade Name:\u003c\/strong\u003e \"Herkimer Diamond\" (not a real diamond)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 26 × 18 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDrill Hole:\u003c\/strong\u003e approx. 2.5 mm – suitable for leather cords, omega necklaces \u0026amp; thin silver chains\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCord:\u003c\/strong\u003e Black fabric cord, approx. 80 cm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eWearing Comfort:\u003c\/strong\u003e Soft, flexible \u0026amp; comfortable\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eScope of Delivery:\u003c\/strong\u003e Pictured gemstone pendant incl. fabric cord\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUnique Jewelry:\u003c\/strong\u003e Each piece with individual inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eSpecial Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eHerkimer Quartz with natural clarity\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eStriking black Tourmaline inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eNatural \u0026amp; hand-picked\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eImmediately wearable with fabric cord\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eUnique crystal one-of-a-kind\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589625700679,"sku":"6698","price":29.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamant-edelstein-schmuck-ketten-anhaenger-trommelstein-heilstein-seelensteinchen-120626.webp?v=1781361966"},{"product_id":"herkimer-diamant-quarz-trommelstein-schmuck-ketten-anhanger-6699","title":"Herkimer \"Diamond\" Quartz Tumbled Stone Jewelry Necklace Pendant - Gemstone A Quality #6699","description":"\u003ch2\u003e\u003cstrong\u003eGemstone Tumbled Stone Pendant Made of Herkimer \"Diamond\" Quartz – incl. Fabric Cord\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eA special tumbled stone pendant made of \u003cstrong\u003eHerkimer \"Diamond\" Quartz\u003c\/strong\u003e, known for its exceptional clarity and natural brilliance. This quartz exhibits the typical luminous appearance of Herkimer crystals and is a unique piece of nature.\u003c\/p\u003e\u003cp\u003eThe gemstone measures approx. \u003cstrong\u003e26 × 20 mm\u003c\/strong\u003e and is pleasantly light to wear.\u003cbr\u003eWith a \u003cstrong\u003edrilled hole of approx. 2.5 mm\u003c\/strong\u003e, it is ideal for leather cords, omega necklaces, or delicate silver chains.\u003c\/p\u003e\u003cp\u003eThe included \u003cstrong\u003eblack fabric cord (approx. 80 cm)\u003c\/strong\u003e is soft, flexible, and very comfortable to wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eThe term \"Herkimer Diamond\" is a trade name – it is Herkimer Quartz, not a real diamond.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eYou will receive \u003cstrong\u003eexactly the gemstone pendant pictured\u003c\/strong\u003e – a naturally grown, hand-selected unique piece.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Herkimer Quartz (\"Herkimer Diamond\", trade name)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 26 × 20 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDrill hole:\u003c\/strong\u003e approx. 2.5 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCord:\u003c\/strong\u003e Black fabric cord, approx. 80 cm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eWearing comfort:\u003c\/strong\u003e soft, flexible \u0026amp; skin-friendly\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eScope of delivery:\u003c\/strong\u003e pictured gemstone tumbled stone pendant\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUnique piece:\u003c\/strong\u003e Natural quartz crystal\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eGeological Data\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eChemical Composition:\u003c\/strong\u003e SiO₂ – Silicon dioxide (Quartz)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eHardness (Mohs):\u003c\/strong\u003e 7\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e approx. 2.6 g\/cm³\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eHerkimer quartz originates from the \u003cstrong\u003eHerkimer County Mines in New York State, USA\u003c\/strong\u003e.\u003cbr\u003eThere, the characteristically clear, double-terminated crystals were first discovered and received their trade name \"Herkimer Diamond.\"\u003c\/p\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589626192199,"sku":"6699","price":29.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamant-edelstein-schmuck-ketten-anhaenger-heilstein-edelsteinkette-collier-heilstein-trommelstein-171223.jpg?v=1774476903"},{"product_id":"herkimer-diamant-edelstein-trommelstein-handschmeichler-a-qu-7098","title":"Herkimer Diamond - Gemstone - Tumbled Stone - Palm Stone - A Quality #7098","description":"\u003ch2\u003e\u003cstrong\u003eHerkimer Diamond – Palm Stone \u0026amp; Laying Stone (A-Quality)\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eA noble \u003cstrong\u003eHerkimer Diamond\u003c\/strong\u003e, natural and hand-picked in \u003cstrong\u003eA-Quality\u003c\/strong\u003e. Despite its name, the Herkimer is not a true diamond, but a particularly clear and sparkling \u003cstrong\u003edouble-terminated quartz crystal\u003c\/strong\u003e, distinguished by its exceptional brilliance and purity. Each crystal is a \u003cstrong\u003eunique natural specimen\u003c\/strong\u003e, known for its luminous, energetically cleansing effect.\u003c\/p\u003e\u003cp\u003eWith a size of approx. \u003cstrong\u003e15 – 25 mm\u003c\/strong\u003e, the Herkimer sits comfortably in the hand. It is ideal as a \u003cstrong\u003epalm stone\u003c\/strong\u003e, \u003cstrong\u003elaying stone\u003c\/strong\u003e or \u003cstrong\u003ecompanion for meditation and energy work\u003c\/strong\u003e. The Herkimer Diamond is considered the \u003cstrong\u003estone of awareness and clarity\u003c\/strong\u003e – it amplifies the energy of other stones, promotes inspiration and supports connection with higher consciousness.\u003c\/p\u003e\u003cp\u003eThe photo shows a \u003cstrong\u003esample example\u003c\/strong\u003e – you will receive \u003cstrong\u003eone gemstone\u003c\/strong\u003e from this selection.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Genuine Herkimer Diamond (clear double-terminated quartz crystal)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Natural crystal \/ palm stone \/ laying stone\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 15 – 25 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eQuality:\u003c\/strong\u003e A-Quality\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Transparent, clear to slightly smoky\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Herkimer County, New York (USA)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUse:\u003c\/strong\u003e For laying on, meditation, as a palm stone or energy stone\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSpecial Feature:\u003c\/strong\u003e Sample image – you will receive one gemstone from this selection\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eBenefits \u0026amp; Use\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eNaturally grown double-terminated shape – unmistakable structure\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eClear, luminous brilliance – each piece is a natural unique specimen\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eIdeal for meditation, energy work, consciousness work or decoration\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSupports clarity, mental strength and subtle perception\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHigh-quality, hand-picked quality\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eLocations\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Herkimer Diamond is found exclusively in \u003cstrong\u003eHerkimer County (New York, USA)\u003c\/strong\u003e. Other, similar occurrences are sporadically found in \u003cstrong\u003eTibet\u003c\/strong\u003e and \u003cstrong\u003eAfghanistan\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eChemical Composition\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Oxides \/ Quartz Variety\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eChemical Formula:\u003c\/strong\u003e SiO₂ (Silicon Dioxide)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eHardness:\u003c\/strong\u003e 7 (Mohs scale)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDensity:\u003c\/strong\u003e approx. 2.65 g\/cm³\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Transparent, clear to slightly smoky\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589876179271,"sku":"7098","price":12.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamand-edelstein-handschmeichler-auflagestein-heilstein-161123.jpg?v=1774477334"},{"product_id":"herkimer-diamant-quarz-trommelstein-schmuck-ketten-anhanger-7128","title":"Herkimer \"Diamond\" Quartz Tumbled Stone Jewelry Chain Pendant - Gemstone A Quality #7128","description":"\u003ch2\u003e\u003cstrong\u003eGemstone Tumbled Stone Pendant Made of Herkimer \"Diamond\" Quartz with Tourmaline – with Fabric Cord\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eAn exceptional tumbled stone pendant made of Herkimer \"Diamond\" Quartz with fine tourmaline inclusions – a fascinating interplay of clear crystal energy and dark, natural structure. The transparency of the quartz and the striking tourmaline veins give the stone a special depth and make each piece a unique natural specimen.\u003c\/p\u003e\u003cp\u003eThe gemstone measures approx. 29 × 25 mm and has a bore of approx. 2.5 mm. This allows the pendant to be worn in many ways – suitable for common leather cords, omega necklaces, or delicate silver chains.\u003cbr\u003eThe included black fabric cord (approx. 80 cm) is soft, supple, and guarantees comfortable wear.\u003c\/p\u003e\u003cp\u003ePlease note: The Herkimer \"Diamond\" is \u003cstrong\u003enot a real diamond\u003c\/strong\u003e, but a particularly clear, double-terminated rock crystal (quartz). The name refers to its extraordinary sparkle and its original discovery site in Herkimer County (USA).\u003c\/p\u003e\u003cp\u003eYou will receive exactly the gemstone tumbled stone pendant pictured – a unique piece of nature.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Herkimer \"Diamond\" Quartz with Tourmaline\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not a diamond – common designation for very clear, double-terminated quartz\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Clear quartz with dark tourmaline inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 29 × 25 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eBore:\u003c\/strong\u003e approx. 2.5 mm – suitable for leather cords, omega necklaces \u0026amp; delicate chains\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCord:\u003c\/strong\u003e Black fabric cord, approx. 80 cm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eWearing comfort:\u003c\/strong\u003e Soft, supple \u0026amp; skin-friendly\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eScope of delivery:\u003c\/strong\u003e Pictured pendant including fabric cord\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUnique piece:\u003c\/strong\u003e Individual inclusions \u0026amp; natural crystal structure\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eGeological Information\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates – Quartz group\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eChemical Composition (Quartz):\u003c\/strong\u003e\u003cstrong\u003eSiO₂\u003c\/strong\u003e (Silicon dioxide)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eChemical Composition (Tourmaline):\u003c\/strong\u003e Complex ring silicate, mostly \u003cstrong\u003eNa(Mg,Fe)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCrystal System (Quartz):\u003c\/strong\u003e Trigonal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eHardness (Mohs):\u003c\/strong\u003e Quartz 7\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSpecial Features:\u003c\/strong\u003e Double-terminated crystal form, natural inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eTypical Occurrences:\u003c\/strong\u003e Herkimer County (USA), Pakistan, Brazil, China\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589893742919,"sku":"7128","price":29.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamant-edelstein-schmuck-trommelstein-ketten-anhaenger-mineralien-collier-060724.jpg?v=1774477364"},{"product_id":"herkimer-diamant-quarz-trommelstein-schmuck-ketten-anhanger-7130","title":"Herkimer \"Diamond\" Quartz Tumbled Stone Jewelry Chain Pendant - Gemstone A Quality #7130","description":"\u003ch2\u003e\u003cstrong\u003eGemstone Tumbled Stone Pendant Made of Herkimer \"Diamond\" Quartz with Tourmaline – with Fabric Cord\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eAn impressive tumbled stone pendant made of Herkimer \"diamond\" quartz with fine tourmaline inclusions. The clear, translucent structure of the quartz combined with the dark tourmaline veins gives this stone a special depth and expressiveness. Each pendant is a unique natural specimen with individual structure and crystalline character.\u003c\/p\u003e\u003cp\u003eThe gemstone measures approximately 27 × 21 mm and has an approximately 2.5 mm drill hole, making it versatile to wear – suitable for leather cords, omega necklaces, or fine silver chains.\u003cbr\u003eThe black fabric cord (approx. 80 cm) is soft, pliable, and comfortable to wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e A Herkimer \"diamond\" is \u003cstrong\u003enot a real diamond\u003c\/strong\u003e, but a particularly clear, naturally double-terminated rock crystal (quartz). It owes its name to its brilliant appearance and its original discovery site in Herkimer County (USA).\u003c\/p\u003e\u003cp\u003eYou will receive exactly the gemstone tumbled stone pendant pictured – a true one-of-a-kind natural piece.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Herkimer \"Diamond\" Quartz with Tourmaline\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not a real diamond – trade name for clear double-terminated quartz\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Clear quartz with dark tourmaline inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 27 × 21 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDrill Hole:\u003c\/strong\u003e approx. 2.5 mm – suitable for leather cords, omega necklaces \u0026amp; fine chains\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCord:\u003c\/strong\u003e Black fabric cord, approx. 80 cm long\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eWearing Comfort:\u003c\/strong\u003e Soft, pliable \u0026amp; skin-friendly\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eScope of Delivery:\u003c\/strong\u003e Pictured pendant incl. fabric cord\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUnique Piece:\u003c\/strong\u003e Individual inclusions \u0026amp; natural crystal energy\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eGeological Information\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMineral Class:\u003c\/strong\u003e Silicates – Quartz Group\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eChemical Composition:\u003c\/strong\u003e SiO₂\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCrystal System:\u003c\/strong\u003e Trigonal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eHardness (Mohs):\u003c\/strong\u003e 7\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eLocalities:\u003c\/strong\u003e Herkimer County (USA), Brazil, Pakistan, China\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589893808455,"sku":"7130","price":29.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamant-edelstein-schmuck-ketten-anhaenger-heilstein-291125.webp?v=1774477364"},{"product_id":"herkimer-diamant-quarz-trommelstein-schmuck-ketten-anhanger-7131","title":"Herkimer \"Diamond\" Quartz Tumbled Stone Jewelry Chain Pendant - Gemstone A Quality #7131","description":"\u003ch2\u003e\u003cstrong\u003eHerkimer \"Diamond\" Quartz with Tourmaline Tumbled Stone Pendant – with Fabric Cord\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eAn exceptional tumbled stone pendant made of Herkimer \"Diamond\" Quartz with fine, natural tourmaline inclusions. The clear, translucent structure of the quartz meets dark shimmering tourmaline veins, giving this gemstone impressive depth and expressiveness. Each pendant is a distinctive natural unique piece full of character.\u003c\/p\u003e\u003cp\u003eThe gemstone measures approx. 28 × 22 mm and has an approx. 2.5 mm bore, making it versatile – suitable for leather cords, omega necklaces, or delicate silver chains.\u003cbr\u003eThe black fabric cord (approx. 80 cm) is soft, pliable, and provides a very comfortable wearing experience.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant note:\u003c\/strong\u003e Herkimer \"Diamond\" is \u003cstrong\u003enot a real diamond\u003c\/strong\u003e, but a particularly clear, naturally double-terminated rock crystal (quartz). Its name refers to its sparkling appearance and its original discovery site in Herkimer County (USA).\u003c\/p\u003e\u003cp\u003eYou will receive exactly the gemstone tumbled stone pendant pictured – a natural unique piece.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Herkimer \"Diamond\" Quartz with Tourmaline\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Not a real diamond – trade name for clear, double-terminated quartz\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Clear quartz with dark tourmaline inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 28 × 22 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eBore:\u003c\/strong\u003e approx. 2.5 mm – suitable for leather cords, omega necklaces \u0026amp; fine chains\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCord:\u003c\/strong\u003e Black fabric cord, approx. 80 cm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eComfort:\u003c\/strong\u003e Soft, pliable \u0026amp; skin-friendly\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eScope of delivery:\u003c\/strong\u003e Pictured pendant including fabric cord\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUnique:\u003c\/strong\u003e Individual tourmaline structures \u0026amp; natural crystal energy\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eGeological Information\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMineral class:\u003c\/strong\u003e Silicates – Quartz group\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eChemical composition:\u003c\/strong\u003e SiO₂\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eHardness (Mohs):\u003c\/strong\u003e 7\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eLocalities:\u003c\/strong\u003e Herkimer County (USA), Pakistan, Brazil, China\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589894136135,"sku":"7131","price":29.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamant-edelstein-schmuck-ketten-anhaenger-mineralien-heilstein-collier-edelsteinkette-290324.jpg?v=1774477366"},{"product_id":"herkimer-diamant-quarz-trommelstein-schmuck-ketten-anhanger-7132","title":"Herkimer \"Diamond\" Quartz Tumbled Stone Jewelry Chain Pendant - Gemstone A Quality #7132","description":"\u003ch2\u003e\u003cstrong\u003eGemstone Tumbled Stone Pendant Made of Herkimer \"Diamond\" Quartz with Tourmaline – with Fabric Cord\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eA special tumbled stone pendant made of Herkimer \"Diamond\" Quartz with fine tourmaline inclusions – a fascinating interplay of crystal-clear purity and dark, natural structures. The gemstone radiates exceptional clarity, while the tourmaline veins give it unmistakable depth and expressiveness. Each pendant is a unique natural specimen.\u003c\/p\u003e\n\u003cp\u003eWith a size of approximately 26 × 18 mm, the gemstone has a pleasant, harmonious shape that appears both powerful and elegant. The approx. 2.5 mm drill hole makes the pendant versatile – ideal for leather cords, omega necklaces, or delicate silver chains.\u003cbr\u003eThe black fabric cord (approx. 80 cm) is soft, supple, and provides very comfortable wear.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is a Herkimer \"Diamond\"?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA Herkimer \"Diamond\" is \u003cstrong\u003enot a real diamond\u003c\/strong\u003e, but a particularly clear, naturally double-terminated rock crystal (quartz). It was first found in Herkimer County (New York, USA) and received the trade name \"Herkimer Diamond\" due to its intense brilliance, purity, and typical double termination.\u003cbr\u003eThe tourmaline inclusions visible in the stone are natural formation features and make each piece unique.\u003c\/p\u003e\n\u003cp\u003eYou will receive exactly the gemstone pendant pictured – a distinctive one-of-a-kind piece.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Herkimer \"Diamond\" Quartz with Tourmaline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpecial Feature:\u003c\/strong\u003e Not a real diamond – term for clear, double-terminated quartz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Clear quartz with natural, dark tourmaline inclusions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 26 × 18 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDrill hole:\u003c\/strong\u003e approx. 2.5 mm – suitable for leather cords, omega necklaces \u0026amp; fine silver chains\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCord:\u003c\/strong\u003e Black fabric cord, approx. 80 cm long\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComfort:\u003c\/strong\u003e Soft, supple \u0026amp; comfortable on the skin\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eScope of delivery:\u003c\/strong\u003e Pictured gemstone pendant including fabric cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUnique:\u003c\/strong\u003e Individual tourmaline structures \u0026amp; natural crystal energy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eGeological Data\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone type:\u003c\/strong\u003e Quartz (rock crystal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChemical composition:\u003c\/strong\u003e\u003cstrong\u003eSiO₂\u003c\/strong\u003e (silicon dioxide)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMineral class:\u003c\/strong\u003e Silicates – Quartz group\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHardness (Mohs):\u003c\/strong\u003e 7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpecial features:\u003c\/strong\u003e Often clear, double-terminated crystal form, natural inclusions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTypical localities:\u003c\/strong\u003e Herkimer County (USA), Brazil, Pakistan, China\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589894234439,"sku":"7132","price":29.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamant-edelstein-schmuck-ketten-anhaenger-heilstein-trommelstein-collier-031025-3.jpg?v=1774477367"},{"product_id":"xl-herkimer-diamant-quarz-trommelstein-schmuck-ketten-anhang-7133","title":"XL Herkimer \"Diamond\" Quartz Tumbled Stone Jewelry Chain Pendant - Gemstone A Quality #7133","description":"\u003ch2\u003e\u003cstrong\u003eGemstone Tumbled Stone Pendant Made of Herkimer \"Diamond\" Quartz with Tourmaline – with Fabric Cord\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eAn exceptional tumbled stone pendant made of Herkimer \"Diamond\" Quartz with natural tourmaline – an interplay of clear brilliance and dark, delicate inclusion structure. The gemstone enchants with its special transparency and the striking expression created by the tourmaline veins within. Each stone is a unique natural specimen.\u003c\/p\u003e\u003cp\u003eThe impressive gemstone measures approx. 51 × 30 mm and has a bore of approx. 2.5 mm – ideally suited for leather cords, omega necklaces, or delicate silver chains. The included black fabric cord (approx. 80 cm) is soft, pliable, and offers comfortable wear.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat is a Herkimer \"Diamond\"?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe Herkimer \"Diamond\" is \u003cstrong\u003enot a true diamond\u003c\/strong\u003e, but a particularly clear, naturally double-terminated rock crystal (quartz), originally found in Herkimer County in New York State, USA.\u003cbr\u003eIts exceptional luster, diamond-like clarity, and natural double-terminated shape give it its trade name. Herkimer quartz crystals are known worldwide for their purity and fascinating inclusions – like the beautiful tourmaline here.\u003c\/p\u003e\u003cp\u003eYou will receive exactly the gemstone pendant pictured – an impressive natural one-of-a-kind piece.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Herkimer \"Diamond\" Quartz with Tourmaline\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSpecial Feature:\u003c\/strong\u003e Not a true diamond – trade name for double-terminated quartz\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Clear quartz with dark tourmaline inclusions\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e approx. 51 × 30 mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eDrilling:\u003c\/strong\u003e approx. 2.5 mm – suitable for leather cords, omega necklaces \u0026amp; delicate chains\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eCord:\u003c\/strong\u003e Black fabric cord, approx. 80 cm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eComfort:\u003c\/strong\u003e Soft, skin-friendly \u0026amp; pliable\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eScope of Delivery:\u003c\/strong\u003e Pictured pendant including fabric cord\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eUnique:\u003c\/strong\u003e Individual tourmaline structure \u0026amp; natural crystal shape\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seelensteinchen","offers":[{"title":"Default Title","offer_id":53589894299975,"sku":"7133","price":29.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/files\/herkimer-diamant-edelstein-schmuck-ketten-anhaenger-trommelstein-heilstein-seelensteinchen-120626-2.webp?v=1781357004"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/3529\/6839\/collections\/herkimer-diamant-edelstein-heilstein-trommelstein-schmuck-kette-seelensteinchen-quer.webp?v=1775331891","url":"https:\/\/seelensteinchen.de\/en\/collections\/herkimer-diamant-eigenschaften-herkunft-besonderheiten-edelsteinlexikon.oembed","provider":"Seelensteinchen","version":"1.0","type":"link"}