About gemdatID
Opal
Specimen ID:
A1-398-4M
Gem(s)
Opal
:
SiO
2
·nH
2
O
Locality
Mindat locality:
Ethiopia
Dimensions
10.54mm x 7.70mm x ?mm
weight: 0.88 carats
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Previous data
Mineral(s)
Opal
Brian Kosnar
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8,544 gemdatids have been issued as of 20th Jan 2026 7:53 am UTC
