Queensland Boulder Matrix opal 55cts rough / slice Koroit some fires 30x20x6mm JanA50
$4.50
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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 This has been sliced to exposed the potential and faces to work with veins of opal showing bit of colour Please note boulder opal is ironstone host rock with deposits of opal. Details: #JanA50 Weight: 55cts Grade: POTENTIAL GRADE Base Colour: Boulder tone Source: Queensland Australia Field: Koroit Size: 30x20x6mm Type: Koroit Boulder rough Slice Colours: bits colours to veins State : In the Rough sliced Solid, Natural, Untreated Opal, Ironstone Host rock
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