Koroit Boulder Opal Matrix

Koroit boulder opal matrix is highly celebrated for its swirling, abstract patterns where precious opal veins weave intricately through rich, chocolate brown ironstone. Mined in southwestern Queensland, these unique stones are prized as much for their earthy ironstone patterns as their play of color. Each Koroit matrix stone is a natural work of abstract art, completely solid and untreated.

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145ct Yowah Boulder Opal Specimen

US$1,280
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41ct Natural Koroit Boulder Opal

US$935
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77.7ctw Natural Koroit Boulder Opal Pair

US$880
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146.94ct Large Natural Koroit Boulder Opal

US$495
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22.68ct Double Sided Natural Koroit Boulder Opal

US$420
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33ct Double Sided Natural Koroit Boulder Opal

US$395
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45.77ct Large Round Oval Koroit Boulder Opal

US$375
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92.35ct Natural Koroit Boulder Opal Large Teardrop

US$330
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26.81ct Double Sided Vein Australian Koroit Boulder Opal

US$290
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39.17ct Double Sided Koroit Boulder Opal

US$270
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78.76ct Large Boulder Opal Teardrop Veins

US$270
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34.75ct Large Natural Koroit Boulder Opal

US$227
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32ct Natural Boulder Matrix Opal Koroit Australia

US$165

Intricate Natural Vein Patterns and Abstract Landscapes

Mined in southwest Queensland, Koroit stones are prized as much for their earthy ironstone patterns as their play of color. The complex dendritic formations and network veins create one of a kind miniature landscapes. Read our copyright policy regarding our photography and material.

Frequently Asked Questions

What makes Koroit boulder opals unique?

Koroit opals are known for intricate matrix patterns where color veins run through dark chocolate ironstone.

What is Koroit matrix opal?

It is ironstone host rock naturally filled with tiny channels, veins, and pockets of vibrant precious opal.

How do I care for Koroit boulder opal?

Clean gently with warm water, mild soap, and a soft cloth, avoiding abrasive cleaners.