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
Blue‑Green Boulder Opal Dangle Pendant - 925 Silver
Blue‑Green Boulder Opal Dangle Pendant - 925 Silver
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Blueglass - A tiny boulder opal that looks like blue glass with a green highlight sliding over one side, as if a bright green wave is overtaking a calm blue base. The broad‑flash pattern gives it that fluid, shifting look - sometimes a clean blue disc, sometimes a cresting green ripple catching the light.
This delicate Australian Boulder Opal pendant features a vibrant blue‑green broad flash set in a polished 925 silver dangle fitting.
Small, bright and full of natural colour, it’s the perfect everyday pendant for anyone who loves subtle sparkle and genuine Australian opal.
Sourced directly from the miner, this circular opal has been polished to reveal its lively colour play and earthy character - a small but beautiful piece of Queensland’s opal fields.
- Opal Type: Natural Boulder Opal
- Origin: Queensland, Australia
- Dimensions: 5 x 5 x 1 mm
- Colour Play: Green & blue
- Pattern: Broad Flash
- Brightness: 3 (of 5)
- Shape: Circle
- Finish: Polished
- Fitting: 925 Silver dangle setting
- Style: Minimalist, dainty, everyday wear
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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