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Australian Queensland Boulder Matrix opal Polished Gemstone 33cts From Koroit 26x22x6.5mm BFC27

Australian Queensland Boulder Matrix opal Polished Gemstone 33cts From Koroit 26x22x6.5mm BFC27

£32.50 GBP
£32.50 GBP
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This is a Boulder Matrix opal Gemstone of the Queensland opal fields.
From the Koroit mining area of Queensland 
this is a Ironstone matrix with opal in the pores holes and veins of host rock
with some blue colours
Top polish ready for setting
  • Details: # BFC27
  • Weight:  33cts
  • Grade: BELOW COMMERICAL  
  • Base Colour:  Boulder tone
  • Source: Queensland Australia
  • Field:  Koroit
  • Size:  26x22x6.5mm
  • Colours:  blue
  • Shape: Freeform
  • Solid, Natural, Untreated Opal, Ironstone Host rock
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