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
Long Boulder Opal Pendant – White, Blue & Green Full‑Face Flash (Silver Metal Bail)
Long Boulder Opal Pendant – White, Blue & Green Full‑Face Flash (Silver Metal Bail)
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The Deepsea Shard - A long, slender boulder opal glowing like a hidden ocean crevice, its full‑face blues and greens flickering with bright pinfire that feels alive beneath the polished surface.
This long teardrop boulder opal doublet pendant glows with a beautiful mix of white, blue and green tones.
The polished full‑face surface shows bright pinfire and mixed patterns that shimmer vividly under light.
With brightness 5, the colour play is exceptional - crisp flashes of oceanic blue and emerald green ripple across the opal’s milky base.
The 31 × 7 × 3 mm stone has a graceful elongated teardrop shape, finished with a removable silver‑tone bail for easy chain changes.
A miner‑direct statement piece that feels refined, luminous and one‑of‑a‑kind.
- Opal Type: Boulder Opal
- Format: Doublet
- Colour: White, Blue, Green
- Pattern: Mixed Pattern with Pinfire
- Shape: Teardrop
- Finish: Polished
- Brightness: B5 (of 5)
- Stone Dimensions: 31 × 7 × 3 mm
- Fitting: Removable silver‑tone bail
- 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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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