About gemdatID
Opal
Specimen ID:
CU-AML-J5
Gem(s)
Opal
:
SiO
2
·nH
2
O
Locality
Mindat locality:
Brazil
Dimensions
14.95mm x ?mm x ?mm
weight: 9.64 carats
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Mineral(s)
Opal
Brian Kosnar
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8,544 gemdatids have been issued as of 1st Jul 2025 3:11 am UTC
