Boulder Opal - 67.4 Ct. - 47 x 26 mm - Australian - Koroit

*** Huge, Rustic Piece - Colors And Unpolished Tan Clay..
*** No Extra Charge To Drill - 1 To 2 mm Hole Front To Back....
Origin: Koroit Field; Queensland; Australia....
Appx. Size: 47 x 26 mm - 4.6 mm Thick........
Appx. Weight: 67.4 Ct....

*** Natural Koroit Opals Sometimes Have Tiny Pits and Sandy Areas....
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*** Solid, Natural, Untreated, Mined Opal...NO Doublets or Triplets.....

*** All My Pictures Are Taken In Direct Sunlight - No Photoshop.....

*** All Stones Are Cut & Polished By Me, Unless Noted.....
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*** Some Common Opal Terminology ***

Directional Stone - Colors Flash With Stone Held At Certain Angles
Contra-Luz Colors - Needs Light From The Side, Or From Behind To Show Color Play
Hydrophane - Stone Will Absorb Water, Usually Going Clear When Wet
Natural - 100% Mined, Untreated, Unassembled
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RETURNS:
Return Any Stone, For Any Reason, I Give 100% Refund!
I want you to LOVE my opals!