Queensland Boulder opal 13cts rub / rough / preform Koroit Blue & Green fires 22x14x4mm BRA05
Queensland Boulder opal 13cts rub / rough / preform Koroit Blue & Green fires 22x14x4mm BRA05
Regular price
£11.50 GBP
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Sale price
£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 Bits of blue Green 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: #BRA05
- Weight: 13cts
- Grade: POTENTIAL GRADE
- Base Colour: Boulder tone
- Source: Queensland Australia
- Field: Koroit
- Size: 22x14x4mm
- Type: Koroit Boulder rough
- Colours: blue Green colours
- State : In the Rough rubbed and preformed
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Solid, Natural, Untreated Opal, Ironstone Host rock