About gemdatID
Opal
Specimen ID:
C7-VGB-B6
Gem(s)
Opal
:
SiO
2
·nH
2
O
Locality
Mindat locality:
Mexico
Dimensions
weight: 1.34 carats
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Description
Size: 9.1 x 7.1 mm.
Previous data
Mineral(s)
Opal
Michael Gray
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8,544 gemdatids have been issued as of 5th Jul 2025 4:15 pm UTC
