Boulder Opal - 20 Ct. - 23.2 x 18.3 mm - Australian - Koroit

*** Bubble Matrix With Blues On One Side, Green On The Back...
*** No Extra Charge To Drill., 1 mm Hole, Front To Back...
Origin: Koroit Field; Queensland; Australia....
Appx. Size: 23.2 x 18.3 mm - 4.8 mm Thick........
Appx. Weight: 20 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!