Australian Boulder Opal Tumbled Stone Pendant - Gemstone A Quality #6201

Boulder Opal Gemstone Pendant – with Fabric Cord

A beautiful, compact Boulder Opal pendant that delights with its natural play of color and typical matrix structure.
The hand-polished gemstone shows fine opal lines and shimmer in blue, green, or turquoise tones, embedded in the characteristic dark host rock.
Each piece is a unique natural specimen that reveals its full luminosity in the light.

With a size of approx. 29 × 23 mm, this pendant is slender, pleasantly light, and ideal for subtle, elegant jewelry stylings.
The bore hole of approx. 2.5 mm is suitable for leather cords, omega chains, or delicate silver chains.

The included black fabric cord (approx. 80 cm) is soft, pliable, and ensures high wearing comfort.
You will receive the Boulder Opal pendant shown – a hand-polished piece of jewelry with natural depth and color.

Product Details

• Gemstone: Boulder Opal (untreated, polished)

• Color: Dark matrix with colored opal shimmer

• Size: approx. 29 × 23 mm (L × W)

• Bore hole: approx. 2.5 mm – suitable for leather cords, omega chains & fine silver chains

• Cord: Black fabric cord, approx. 80 cm

• Wearing comfort: Soft, skin-friendly & comfortable to wear

• Scope of delivery: Gemstone pendant shown incl. fabric cord

• Unique jewelry: Each opal is a unique work of natural art

Geological Information

• Mineral Class: Amorphous minerals (Opal)

• Chemical Composition: SiO₂·nH₂O – Hydrated silica

• Crystal System: Amorphous

• Hardness (Mohs): 5.5–6.5

• Density: approx. 2.1 g/cm³

Discovery Sites

Boulder Opal predominantly originates from Queensland, Australia – the world's most important discovery site for this opal variety.
The characteristic combination of matrix rock and opal veins makes each Boulder Opal an unmistakable natural unique piece.

Special Features

• Genuine Australian Boulder Opal

• Subtle size – ideal for elegant everyday jewelry

• Vibrant, natural opal shimmer

• Finely polished surface

• Ready to wear with fabric cord

• Hand-cut, natural unique piece