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
Yowah Boulder Opal Pendant – White & Green Stripe (Drilled, Freeform)
Yowah Boulder Opal Pendant – White & Green Stripe (Drilled, Freeform)
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The Riverbank Stripe - A Yowah boulder opal marked by a bold diagonal band of white and green, flowing through rich dark ironstone like a bright river cutting between deep earthy banks.
This drilled Yowah boulder opal pendant features a striking white and green stripe across its polished freeform surface, giving it a natural, organic look.
With brightness 3, the broad flash is gentle but visible, adding soft movement as the stone catches the light. The earthy ironstone base contrasts beautifully with the lighter opal banding, creating a unique, one‑of‑a‑kind aesthetic.
Ready for your own cord or chain, it’s a versatile pendant perfect for everyday wear or gifting. Sourced directly from the miner, this piece carries the warm, grounded character Yowah opal is known for.
- Opal Type: Boulder Opal (Yowah)
- Format: Solid
- Colour: White, Green
- Pattern: Broad Flash
- Shape: Freeform
- Finish: Polished
- Brightness: B3 (of 5)
- Stone Dimensions: 28 × 19 × 4 mm
- Weight: 4 g
- Fitting: Drilled (add your own cord or chain)
- Source: Miner‑direct
- Origin: Yowah 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