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Queensland Boulder opal 5cts rub / rough / preform Koroit Blue fires 12x7x4mm BRA08
Queensland Boulder opal 5cts rub / rough / preform Koroit Blue fires 12x7x4mm BRA08
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£11.50 GBP
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£11.50 GBP
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This is a Boulder opal of the Queensland opal fields.
From Koroit mining area , this is a opal in ironstone matrix
Some 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: #BRA08
- Weight: 5cts
- Grade: POTENTIAL GRADE
- Base Colour: Boulder tone
- Source: Queensland Australia
- Field: Koroit
- Size: 12x7x4mm
- Type: Koroit Boulder rough
- Colours: blue colours
- State : In the Rough rubbed and preformed
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Solid, Natural, Untreated Opal, Ironstone Host rock
