About gemdatID
Precious Opal (Var: Black Opal)
Specimen ID:
A7-LTR-K9
Gem(s)
Precious Opal
(Var:
Black Opal
) :
SiO
2
·nH
2
O
Locality
Mindat locality:
Ethiopia
Dimensions
weight: 6.36 carats
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Description
Size: 16.6 x 12.59 x 5.55 mm.
Previous data
Mineral(s)
Black Opal
Jolyon Ralph
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8,544 gemdatids have been issued as of 16th Jun 2025 5:18 am UTC