Australian Boulder Opal Tumbled Stone Pendant - Gemstone A Quality #6203

Boulder Opal Gemstone Pendant – with Fabric Cord

An elegant, slender pendant made of Boulder Opal, captivating with its fascinating play of colors and natural matrix.
The hand-polished gemstone displays the typical combination of dark host rock and luminous opal lines, which can shimmer in blue, green, turquoise, or rainbow colors depending on the light.
Thanks to its elongated shape, this Boulder Opal appears particularly elegant and modern – each piece is a unique natural specimen.

The gemstone measures approximately 40 × 26 mm – slender, stylish, and comfortably light to wear.
The drilled hole of approx. 2.5 mm is suitable for leather cords, omega necklaces, or fine silver chains.

The included black fabric cord (approx. 80 cm) is soft, supple, and offers excellent wearing comfort.
You will receive the depicted Boulder Opal pendant – a natural piece of jewelry full of depth, color, and expression.

Product Details

• Gemstone: Boulder Opal (tumbled stone, untreated, polished)

• Color: Dark matrix with shimmering opal colors

• Size: approx. 40 × 26 mm (L × W)

• Drill hole: approx. 2.5 mm – suitable for leather cords, omega necklaces & thin silver chains

• Cord: Black fabric cord, approx. 80 cm

• Wearing comfort: Soft, skin-friendly & comfortable

• Scope of delivery: The depicted gemstone pendant including 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

Deposits

Boulder Opal comes almost exclusively from Queensland, Australia, the world's most significant deposits for this particular opal variety.
Here, the opal forms in iron-rich rock fissures, creating the characteristic interplay of matrix and intensely colored opal layers.

Special Features

• Genuine Australian Boulder Opal

• Slender, elegant shape

• Vibrant opal shimmer in rich colors

• Polished for particularly beautiful luminosity

• Hand-cut natural unique piece

• Immediately wearable with fabric cord