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 - Electric Blue & Green Flash in Crossed 925 Silver Mount
Boulder Opal Pendant - Electric Blue & Green Flash in Crossed 925 Silver Mount
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The Farreach Void - A deep‑blue boulder opal glowing like open space, its bright green flashes sparking through the darkness like distant stars scattered across a quiet cosmic horizon.
This polished boulder opal doublet pendant glows with electric blue and green broad flash, set in a striking crossed‑over 925 silver mount.
The freeform opal catches the light beautifully, showing vivid colour movement across its polished surface.
With brightness 4, the stone’s colour play is bold and dynamic, balanced by the elegant silver design that gives it a refined, contemporary feel.
A miner‑direct piece that combines artisan opal with fine jewellery craftsmanship - perfect for statement wear or gifting.
- Opal Type: Boulder Opal
- Format: Doublet
- Colour: Electric Blue, Green
- Pattern: Broad Flash
- Shape: Freeform
- Finish: Polished
- Brightness: B4 (of 5)
- Stone Dimensions: 12 × 9 mm
- Fitting: Crossed‑over 925 Silver mount
- 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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More from the Studio
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Stories from the Studio
Read our latest posts -
Ethical Opal Sourcing
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Caring for Australian Opal
A simple guide -
Opal Brightness Guide
Judging brightness