About gemdatID
Topaz
Specimen ID:
CH-1YA-M7
Gem(s)
Topaz
:
Al
2
(SiO
4
)(F,OH)
2
Locality
Mindat locality:
Brazil
Dimensions
6.09mm x 4.13mm x ?mm
weight: 0.43 carats
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Previous data
Mineral(s)
Topaz
Brian Kosnar
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8,544 gemdatids have been issued as of 15th Sep 2025 10:19 pm UTC
