• A polished natural opal cabochon with a rich marbled pattern of deep burgundy, orange, gold, and dark blue, set in a silver-toned bezel on a light beige textured surface.
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Georgie's Gem Studio

Solid Boulder Opal – Green Pinfire, Natural Seams

Solid Boulder Opal – Green Pinfire, Natural Seams

£49.00 GBP
£49.00 GBP
Sale Sold out
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The Cratergold Vein - A freeform boulder opal marked with golden‑looking seams along one side, its soft green pinfire glowing gently like light pooling inside a tiny crater viewed from above.

This polished boulder opal shows soft green pinfire across its freeform surface, with tiny natural seams that add texture and authenticity.

The warm ironstone matrix gives it depth and contrast, while the double‑sided polish makes it visually interesting from every angle.

With brightness 2, the colour play is gentle and understated - perfect for earthy, organic jewellery designs or as a tactile collector’s stone.

Its smooth finish and natural miner‑cut character make it a charming, one‑of‑a‑kind piece. 

  • Opal Type: Boulder Opal
  • Format: Solid 
  • Colour: Green 
  • Pattern: Pinfire 
  • Shape: Freeform 
  • Finish: Polished
  • Brightness: B2 (of 5) 
  • Stone Dimensions: 27 × 20 × 3 mm 
  • Weight: 5 g 
  • Back: Double‑sided with ironstone matrix 
  • Fitting: None (loose stone)
  • Source: Miner‑direct
  • Origin: Boulder Opal Fields, Queensland, Australia
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  • About Our Opals

    Every stone is natural, untreated, and individually cut.
    No two opals are ever the same - each piece is one‑of‑a‑kind. We source directly from a small Australian mining family, from ethical and regulated opal fields.

    All photos are taken with a macro lens, remember to check the opal dimensions before purchasing.

  • Why Buy From Us

    We only work with Australian opals. Every opal is sourced directly from a small‑scale Australian mining family who work with integrity, fairness, and respect for the land. Ethical sourcing and environmental responsibility matters to us.

    We want you to be delighted with every purchase, so please read our policies or contact us if you want to find out more:

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