15.5 Ct. Andamooka Matrix Australian Opal - 21 x 16.5 mm - Sugar Treated

*** Nice Colors, With A Good Polish...
*** No Extra Charge To Drill; 1 or 2 mm Hole Front To Back...
**** THIS TYPE OF OPAL HAS BEEN TREATED TO DARKEN THE MATRIX, THE TREATMENT INVOLVES SOAKING THE STONES IN SUGAR WATER, THEN HEATING IN SULFURIC ACID TO DARKEN THEM...THE TREATMENT IS PERMANENT....

Origin: Andamooka; Australia...
Appx. Size: 21 x 16.5 m - 5.6 mm Thick...
Appx. Weight: 15.5 Ct....
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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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These pictures are taken in full sun, Video by desk lamp...

Australian opals often show better color in indoor room lighting...
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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

RETURNS:
Return Any Stone, For Any Reason, I Give 100% Refund!
I want you to LOVE my opals!