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Rough Opal
new
19.22x14.78x12.35mm
15.95 ct Coocoran Dark Crystal Nobby with Blue, Purple, Green and lighter Blue flashes. At least B3 Brightness, with a three dimensional Pattern and potential for two smaller stones.
new
47.03x26.89x14.95mm
A beautifully formed 101 ct Light Crystal Nobby with Blue flashes and hints of Violet. Generous size and thickness, a distinctive natural cap and collector’s appeal. B2 Brightness, N7 Light Body Tone.
new
25.8x16.33x14.19mm
32.9 ct Coocoran Black Crystal Nobby with electric Blue and deep Violet. B2 Brightness, N4 Black Body Tone and generous dome potential. Natural skin intact, with a sand inclusion across the long flat face.
new
21.63x16.45x8.94mm
11.7 ct Dark Nobby Rough Opal, currently B4 Brightness and N6 Body Tone, with Green and Blue moving towards Gold and intricate pattern indications.
new
25.45x23.09x10.82mm
26.95 ct Dark Nobby Rough Opal with Blue colour showing, currently B1 Brightness and N6 Body Tone. A pure gamble suitable for beginners.
new
33.04x27.77x13.13mm
70.7 ct Coocoran Crystal Nobby Rough Opal with Aqua and light Blue colour, connected Crystal windows, N7 Body Tone and B2 Brightness indicators.
new
22.41x20.46x12.46mm
27.35 ct Nobby Rough Opal with a bright Blue bar, N6 Dark Body Tone and Black indications with potential around N4.
new
39.9x28.69x13.67mm
51.9 ct Seam Opal Rough with a bright metallic Orange upper bar and Red and Blue colour on Black below, visible on both sides.
new
23.5x18.04x15.4mm
31.8 ct Coocaran Crystal Nobby Rough Opal with Blue and Violet flashes, a clean appearance, full belly and potential for a high dome.
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Exclusive pieces not listed anywhere else publicly
Competitive pricing through live bidding
Transparent, real-time stone presentation by an expert
Direct insight into each opal’s origin and character
Rough Rubbed and Finished opals, also Specimens and Fossils
Rough Black Opal
Explore genuine Lightning Ridge rough opal from beginner friendly pieces to collector grade material with exceptional potential.
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Frequently Asked Questions
Yes. All of our opals are genuine and sourced from Lightning Ridge. Each stone is accurately described and photographed so you can purchase with confidence.
Here you can place an explanation or answer to the question.
Here you can place an explanation or answer to the question.
Rough Opal | Lightning Ridge | Opal Hub Australia
Discover rough opal, offered exactly as it comes from the ground, unaltered by cutting or rubbing. At Opal Hub Australia, we source rough opal directly from the Lightning Ridge fields, including Corcoran, Grawin and the town opal fields, spanning every grade, black, dark and crystal, from single nuggets through to parcels, giving cutters, collectors and serious buyers the earliest possible stage of ownership.
Colour in rough opal is produced the same way as in any finished stone, through diffraction across microscopic silica spheres, larger spheres diffracting red, the rarest colour and hardest to form without structural flaw, smaller spheres diffracting blue and violet at the opposite structural extreme. At this stage, none of it has been revealed yet, no rubbing, no cutting, only the natural nugget or seam exactly as it was recovered from the field. This is where a cutter's expertise translates directly into value, and where genuine potential sits entirely unclaimed.
Shop Genuine Rough Opal
Black Opal Rough
Dark Opal Rough
Crystal Opal Rough
Rough Opal Parcels
Every piece is offered exactly as it comes from the field, across every grade we work.
Where Our Rough Opal Comes From
Sourced directly from the Lightning Ridge fields, including Corcoran, Grawin and the town opal fields, with full, verifiable provenance on every piece.
Why Serious Buyers Pursue Rough Opal
Full creative control for cutters over the final shape and form
Colour driven by genuine structural rarity, red and blue at opposite extremes of sphere size
Every grade represented, from single nuggets to parcels
Naturally mined, direct from Lightning Ridge, completely unaltered
Genuine geological rarity, not manufactured scarcity
Acquire With Confidence
At Opal Hub Australia, every piece of rough opal we offer is sourced directly from the Lightning Ridge fields, carrying the same standard of authenticity and provenance across our entire collection. Browse our rough opal collection and buy direct from the source, at every grade, every scale.
