Opal Brightness Explained
Opal brightness is graded on the B1–B5 scale, where B1 is very dim and B5 is vivid and intense.
Georgie's Gem Studio
Teardrop Boulder Opal Cabochon – Green & Purple Pinfire
Teardrop Boulder Opal Cabochon – Green & Purple Pinfire
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Wildmosaic - A boulder opal with soft green‑purple pinfire scattered across a patterned matrix, its teardrop shape glowing like a natural mosaic formed from layered earth and hidden colour.
This polished teardrop boulder opal cabochon features soft green and purple pinfire across its smooth surface, with natural matrix tones showing through on both sides.
With brightness 1, the colour play is subtle and understated, giving the piece an earthy, organic feel.
The flat back makes it ideal for custom jewellery settings, wire‑wrapping, or display, while the double‑sided finish adds extra versatility.
A miner‑direct solid opal with a gentle, calming palette and a beautifully elongated teardrop shape.
- Opal Type: Boulder Opal
- Format: Solid
- Colour: Green & Purple
- Pattern: Pinfire
- Shape: Teardrop
- Finish: Polished
- Brightness: 1 (of 5)
- Stone Dimensions: 34 × 19 × 3 mm
- Fitting: None (flat‑back cabochon)
- Source: Miner‑direct
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About Our Opals
We only work with Australian opals, direct from #MinerToMaker.
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 small Australian miners and cutters.
Every opal comes from Queensland’s ethical, regulated opal fields.
All photos are taken with a macro lens, remember to check the opal dimensions before purchasing.
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Ethical Opal Sourcing
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A simple guide -
Opal Brightness Guide
Judging brightness