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
Teardrop Boulder Opal Necklace - Purple Tribal Pattern
Teardrop Boulder Opal Necklace - Purple Tribal Pattern
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Lagoontrail - A boulder opal that looks like a tiny lagoon with snaking estuaries flowing out from it, the purple‑blue tribal pattern curling and branching like waterways seen from above. It has that perfect mix of calm centre and winding, organic movement that makes the whole piece feel alive and map‑like.
This drilled teardrop boulder opal necklace features a striking purple tribal‑style pattern across its polished surface, with subtle seams of purple visible on the back.
The freeform shape and deep colour play make it a bold, expressive piece that feels both earthy and artistic, finished with a simple leather cord for relaxed wear.
- Opal Type: Boulder Opal
- Colour: Purple, Blue
- Pattern: Broad Flash (tribal‑style)
- Shape: Teardrop / Freeform
- Finish: Polished
- Brightness: B4 (of 5)
- Stone Dimensions: 28 × 20 × 4 mm
- Weight: 7 g
- Fitting: Adjustable leather cord
- 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