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
Large Tribal Yowah Boulder Opal Necklace - Double‑Sided Pendant
Large Tribal Yowah Boulder Opal Necklace - Double‑Sided Pendant
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Planetlayer - A boulder opal that looks like the layers of a planet revealed from core to crust, its purple, blue and green flashes shifting like molten strata beneath a rugged ironstone surface. The pattern feels almost geological - one face like glowing inner layers, the other like textured outer crust shaped by time and pressure. Big, bold and full of natural drama, it has that “world within a stone” presence that only Yowah opal can pull off.
Bring a touch of natural Australian magic to your jewellery collection with this striking hand‑cut Yowah Boulder Opal necklace.
This one‑of‑a‑kind piece features a large, double‑sided tribal‑style opal pendant, showcasing vibrant flashes of purple, blue and green that shift beautifully in the light.
Ethically sourced directly from the miner in Queensland, this opal has been shaped into a freeform polished pendant and drilled for a simple, earthy leather cord fitting - perfect for everyday wear or as a bold statement piece.
Yowah opals are famous for their unique patterns and rich ironstone matrix. This pendant is double‑sided, giving you two beautiful faces of colour and texture to enjoy.
No two Yowah opals are ever the same, once this piece is gone, it’s gone.
- Opal Type: Genuine Yowah Boulder Opal
- Origin: Queensland, Australia
- Dimensions: 39 x 22 x 4 mm
- Weight: 9 g
- Colour Play: Purple, blue & green
- Pattern: Broad Flash
- Brightness: 4 (of 5)
- Shape: Freeform
- Finish: High polish
- Fitting: Leather cord necklace
- Style: Tribal, natural, earthy
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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