About gemdatID
Opal
Specimen ID:
C7-7BK-TK
Gem(s)
Opal
:
SiO
2
·nH
2
O
Locality
Mindat locality:
Australia
Dimensions
9.87mm x 20.04mm x ?mm
weight: 7.7 carats
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Previous data
Mineral(s)
Opal
Brian Kosnar
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8,544 gemdatids have been issued as of 1st Sep 2025 6:01 pm UTC
