Australian Boulder Opal Tumbled Stone Pendant - Gemstone A Quality #6202

Boulder Opal Gemstone Pendant – with Fabric Cord

An exceptionally beautiful Boulder Opal pendant, characterized by a strong matrix structure and fascinating opal shimmer.
The hand-polished gemstone displays the typical combination of dark host rock and colorful opal lines, which, depending on the light, glow in shades of blue, green, turquoise, or rainbow colors.
With its striking size, this Boulder Opal is a particularly expressive natural one-of-a-kind piece that immediately catches the eye.

Measuring approximately 51 × 28 mm, the pendant has an impressive presence – ideal for anyone who loves powerful statement gemstones.
The drilled hole of approx. 2.5 mm is suitable for leather cords, omega chains, or thin silver chains.

The included black fabric cord (approx. 80 cm) is soft, pliable, and provides excellent wearing comfort.
You will receive the Boulder Opal pendant shown – a unique, intensely colored piece of jewelry directly from nature.

Product Details

• Gemstone: Boulder Opal (untreated, polished)

• Color: Dark rock matrix with shimmering opal colors

• Size: approx. 51 × 28 mm (L × W)

• Drill hole: approx. 2.5 mm – ideal 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 as shown, incl. fabric cord

• Unique jewelry: Each opal is an unmistakable 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

Localities

Boulder Opal comes almost exclusively from Queensland, Australia – the world's most important source of this unique opal variety.
Here, it forms in iron-rich rock fissures, thus combining intensely colored opal layers with the natural matrix.

Special Features

• Genuine Australian Boulder Opal

• Expressive size & vibrant opal shimmer

• Natural matrix, polished surface

• Ready to wear with fabric cord

• Hand-cut natural unique piece