Australian Boulder Opal Tumbled Stone Jewelry Necklace Pendant - Gemstone A Quality #5520

Boulder Opal Gemstone Pendant – with Fabric Cord

An exceptional boulder opal pendant that captivates with its shimmering play of colors and natural structure.
The Australian boulder opal combines the deep earth connection of the host rock with fascinating opalescence in blue, green, and gold tones – a true natural one-of-a-kind piece full of magic and light reflections.

Carefully cut and polished, this gemstone reveals its unique grain and distinctive play of colors, which glows in vibrant shades depending on the light.

With a size of approx. 51 × 30 mm, the pendant is an impressive individual piece – powerful, elegant, and full of natural beauty.
The drilled hole of approx. 2.5 mm is ideal for leather cords, omega necklaces, or fine silver chains.

The included black fabric cord (approx. 80 cm) is soft, supple, and provides comfortable wear.
You will receive the boulder opal pendant shown – an expressive piece of jewelry that unites earth and sky.

Product Details

• Gemstone: Boulder Opal (Australia, untreated)

• Color: Brown base with shimmering opalescence in blue, green, gold or violet

• Size: approx. 51 × 30 mm (L × W)

• Drilled Hole: approx. 2.5 mm – suitable for leather cords, omega necklaces & fine silver chains

• Cord: Black fabric cord, approx. 80 cm long

• Wearing Comfort: Soft, skin-friendly & supple

• Scope of Delivery: Pendant shown including fabric cord

• Unique Jewelry: Each stone is a hand-picked individual piece

Geological Data

• Mineral Class: Oxides (Opal, amorphous variety of silicon dioxide)

• Chemical Composition: SiO₂·nH₂O – hydrous silicon dioxide

• Crystal System: Amorphous

• Hardness (Mohs): 5.5 – 6.5

• Density: approx. 2.1 g/cm³

Locations

Boulder opals originate exclusively from Queensland, Australia, where they are embedded in iron-rich rock (boulder ironstone).
Natural processes create the characteristic play of colors, making each stone a true one-of-a-kind.

Special Features

• Genuine Boulder Opal from Australia

• Natural play of colors with iridescent reflections

• Polished surface with characteristic rock structure

• Immediately wearable with fabric cord

• High-quality cut natural stone