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Queensland Boulder Matrix opal 78cts rough / slice Koroit Nice fires 35x25x7mm BD#11

Queensland Boulder Matrix opal 78cts rough / slice Koroit Nice fires 35x25x7mm BD#11

Regular price £24.00 GBP
Regular price Sale price £24.00 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 opal showing some nice colour 
Please note boulder opal is ironstone host rock with deposits of opal.

  • Details: #BD#11
  • Weight: 78cts
  • Grade: POTENTIAL GRADE
  • Base Colour:  Boulder tone
  • Source: Queensland Australia
  • Field:  Koroit
  • Size:  35x25x7mm
  • Type:   Koroit Boulder rough Slice
  • Colours: some nice colours to veins
  • State : In the Rough sliced
  • Solid, Natural, Untreated Opal, Ironstone Host rock
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