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Australian Queensland Boulder Matrix opal 34cts rough / slice Koroit veins of blue/green fires 45x19x4mm BFA30

Australian Queensland Boulder Matrix opal 34cts rough / slice Koroit veins of blue/green fires 45x19x4mm BFA30

£50.00 GBP
£50.00 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
This has been sliced to exposed the potential and faces to work with
veins of green/blue showing on exposed face potential here
Please note boulder opal is ironstone host rock with deposits of opal.

  • Details: #BFA30
  • Weight: 34cts
  • Grade: POTENTIAL GRADE
  • Base Colour:  Boulder tone
  • Source: Queensland Australia
  • Field:  Koroit
  • Size: 45x19x4mm 
  • Type:   Koroit Boulder rough Slice
  • Colours: Green/Blue colours to veins
  • State : In the Rough sliced
  • Solid, Natural, Untreated Opal, Ironstone Host rock
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