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Queensland Boulder opal 8.5cts rub / rough / preform Koroit Blue fires 25x7x4mm BR#06
Queensland Boulder opal 8.5cts rub / rough / preform Koroit Blue fires 25x7x4mm BR#06
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This is a nice Boulder opal of the Queensland opal fields.
From Koroit mining area , this is a opal in ironstone matrix
blue fires showing on exposed face
Preformed so only needs a little work & a Polish lots potential here
Please note boulder opal is ironstone host rock with deposits of opal.
- Details: #BR#06
- Weight: 7.5cts
- Grade: POTENTIAL GRADE
- Base Colour: Boulder tone
- Source: Queensland Australia
- Field: Koroit
- Size: 25x7x4mm
- Type: Koroit Boulder rough
- Colours: blue colours to veins
- State : In the Rough rubbed and preformed
-
Solid, Natural, Untreated Opal, Ironstone Host rock
![Queensland Boulder opal 8.5cts rub / rough / preform Koroit Blue fires 25x7x4mm BR#06](http://boulderfevermate.com/cdn/shop/files/385691879_122118625154033963_3187215255537719693_n.jpg?v=1696108502&width=1445)
![Queensland Boulder opal 8.5cts rub / rough / preform Koroit Blue fires 25x7x4mm BR#06](http://boulderfevermate.com/cdn/shop/files/385695103_122118624752033963_5078307317548582284_n.jpg?v=1696108502&width=1445)
![Queensland Boulder opal 8.5cts rub / rough / preform Koroit Blue fires 25x7x4mm BR#06](http://boulderfevermate.com/cdn/shop/files/385701493_122118625058033963_995015059733462095_n.jpg?v=1696108502&width=1445)