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
Boulder Opal Necklace – Off-White Tribal Pattern
Boulder Opal Necklace – Off-White Tribal Pattern
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The Alienveil - A boulder opal that looks like a barren alien landscape, its off‑white tribal pattern stretching across the surface like wind‑carved plains and strange terrain glimpsed from orbit, quiet, desolate, and beautifully other‑worldly.
This large solid boulder opal necklace has a striking off‑white tribal pattern that flows across its polished oval surface, giving it a bold, earthy presence.
The stone is double‑sided, revealing more natural patterning and ironstone on the reverse, making it full of character from every angle.
With brightness 3, the broad flash is soft and subtle, creating a gentle shimmer rather than strong colour play - perfect for those who love opal’s organic, understated beauty.
Its generous size and smooth oval shape make it a standout statement piece, finished on an adjustable leather cord for easy everyday wear.
Sourced directly from the miner, this is a one‑of‑a‑kind Australian opal with a unique tribal aesthetic.
- Opal Type: Boulder Opal
- Format: Solid
- Colour: Off‑white with natural patterning
- Pattern: Broad Flash (subtle)
- Shape: Oval
- Finish: Polished
- Brightness: B3 (of 5)
- Stone Dimensions: 40 × 24 × 8 mm
- Weight: 17 g
- Back: Double‑sided
- Fitting: Adjustable leather cord (arrives untied)
- Source: Miner‑direct
- Origin: Boulder Opal Fields, Queensland, Australia
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About Our Opals
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 a small Australian mining family, from ethical and regulated opal fields.All photos are taken with a macro lens, remember to check the opal dimensions before purchasing.
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Why Buy From Us
We only work with Australian opals. Every opal is sourced directly from a small‑scale Australian mining family who work with integrity, fairness, and respect for the land. Ethical sourcing and environmental responsibility matters to us.
We want you to be delighted with every purchase, so please read our policies or contact us if you want to find out more:
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Opal Brightness Guide
Judging brightness