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Australian Queensland Boulder opal Polished Gemstone 4.70cts From Winton with bits of colour 17x11x3mm BFO41

Australian Queensland Boulder opal Polished Gemstone 4.70cts From Winton with bits of colour 17x11x3mm BFO41

Regular price £30.00 GBP
Regular price Sale price £30.00 GBP
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This is a lower grade 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 flashes of colour
Please note this boulder opal is ironstone host rock with deposit of opal.
Top polish ready for setting ,
Freeform Shape
Please note semi carved surface

  • Details: #BFO41
  • Weight: 4.70cts
  • Grade: LOW GRADE
  • Base Colour:  Boulder tone
  • Source: Queensland Australia
  • Field:  Winton
  • Size:  17x11x3mm
  • Type:   Winton Boulder polished Gemstone
  • Colours: Some Flashes of colours to face Low grade opal 
  • State : Polished ready for setting .
  • Solid, Natural, Untreated Opal, Ironstone Host rock
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