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
Boulder Opal Pendant – Purple Full‑Face Flash (Silver Metal Bail)
Boulder Opal Pendant – Purple Full‑Face Flash (Silver Metal Bail)
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The Skyfire Bloom - A vivid purple boulder opal glowing like a fragment of twilight sky, its bright pinfire dancing across the smooth freeform face like tiny stars gathering at dusk.
This polished boulder opal seam pendant features a full‑face display of vivid purple pinfire across its smooth freeform surface.
With brightness 4, the colour play is bold and lively, shifting beautifully as the pendant moves.
The 10 × 14 × 3 mm stone has an elegant organic shape that feels modern and eye‑catching, finished with a removable silver‑tone bail so you can easily switch chains or cords.
A miner‑direct piece with rich, saturated purple colour - perfect for statement wear or gifting.
- Opal Type: Boulder Opal
- Format: Seam
- Colour: Purple, Blue
- Pattern: Pinfire
- Shape: Freeform
- Finish: Polished
- Brightness: B4 (of 5)
- Stone Dimensions: 10 × 14 × 3 mm
- Fitting: Removable silver‑tone bail
- Source: Miner‑direct
- Origin: Boulder Opal Fields Australia
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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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Stories from the Studio
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Ethical Opal Sourcing
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Caring for Australian Opal
A simple guide -
Opal Brightness Guide
Judging brightness