Chalcedony (Var: Agate)

Specimen ID: DW-QKJ-A4

Gem(s)
Chalcedony (Var: Agate) : SiO2
Locality
Mindat locality:
Montana, USA
Dimensions
weight: 15.21 carats
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Description
Size: 25.0 x 15.1 mm.
Previous data
Mineral(s)
Agate
Michael Gray (2)

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3,420 gemdatids have been issued as of 12th Dec 2025 7:17 pm UTC