28.05ct Koroit Boulder Opal Stone
$110.00
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Koroit Boulder Opal: Weight (carats) 28.05 carats Dimensions (millimeters) 50.8 x 15.23 x 5.26mm Origin Koroit Mining District, Queensland, Australia Shape freeform cabochon cut Colors green, blue, purple Brightness of Color Play (-1 to 5+) 2.5 Darkness of Body (+1 to 5-) N/A Treatments / Enhancements none, natural Additional Notes: Pink mark on back is to indicate in-store pricing and will be removed after purchase.
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