
Gemstone Pendant Made of Boulder Opal – with Fabric Cord
A fascinating Boulder Opal pendant with natural structure and beautiful, blue sparkle.
This gemstone displays an impressive play of colors that shimmer vibrantly depending on the light – from soft blue to intense turquoise.
Carefully cut and polished, it combines the natural rock matrix of the opal with its luminous color intensity.
Each piece is a hand-picked unique creation of nature.
With a size of approx. 36 × 23 mm (L × W), the pendant is elegant yet expressive.
The drilled hole of approx. 2.5 mm is ideal for leather cords, omega necklaces, or delicate silver chains.
The included black fabric cord (approx. 80 cm) is soft, pliable, and provides comfortable wear.
You will receive the Boulder Opal pendant shown – a noble piece of jewelry with a unique play of colors and natural elegance.
Product Details
Gemstone: Boulder Opal (untreated, polished)
Color: Brown base with blue to turquoise shimmer
Size: approx. 36 × 23 mm (L × W)
Drilled hole: approx. 2.5 mm – suitable for leather cords, omega necklaces & delicate silver chains
Cord: Black fabric cord, approx. 80 cm long
Wearing comfort: Soft, skin-friendly & pliable
Scope of delivery: Pendant shown including fabric cord
Geological Data
Mineral class: Oxides (Opal variety, amorphous)
Chemical composition: SiO₂·nH₂O
Crystal system: Amorphous (non-crystalline)
Hardness (Mohs): 5.5 – 6.5
Density: approx. 2.0 – 2.2 g/cm³
Locations
Boulder Opals mainly originate from Queensland (Australia), where they occur embedded in an iron-rich rock matrix.
They are known for their intense play of colors and their natural combination of rock and opal layers – each piece is a unique work of natural art.
Special Features
Genuine, untreated Boulder Opal
Natural rock with blue to turquoise shimmer
Polished surface – noble & vibrant
Immediately wearable with fabric cord
Hand-picked natural unique piece with fascinating play of colors
