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Australian Queensland Boulder opal Polished Gemstone 4.25cts From Winton some nice blue colours 16x8x3mm BFO30

Australian Queensland Boulder opal Polished Gemstone 4.25cts From Winton some nice blue colours 16x8x3mm BFO30

Regular price £37.50 GBP
Regular price Sale price £37.50 GBP
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This is a Boulder opal Gemstone of the Queensland opal fields.
From the Winton mining area of Queensland 
this is a boulder opal with face of opal with some nice blue colours
Please note this boulder opal is ironstone host rock with deposit of opal.
Top polish ready for setting ,
Freeform Shape

  • Details: #BFO30
  • Weight: 4.25cts
  • Grade: POTENTIAL GRADE 
  • Base Colour:  Boulder tone
  • Source: Queensland Australia
  • Field:  Winton
  • Size:  16x8x3mm
  • Type:   Winton Boulder polished Gemstone
  • Colours: Some nice blue fires to face
  • State : Polished ready for setting .
  • Solid, Natural, Untreated Opal, Ironstone Host rock


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