About gemdatID
Colemanite
Specimen ID:
A0-3RW-AN
Gem(s)
Colemanite
:
Ca[B
3
O
4
(OH)
3
]·H
2
O
Locality
Mindat locality:
Billie Mine (Billie group; Ryan Mine; Billie I Mine; Billie II Mine), Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA
Dimensions
weight: 0.87 carats
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Description
Size: 5.5 mm.
Previous data
Mineral(s)
Colemanite
Michael Gray
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8,544 gemdatids have been issued as of 1st Jul 2025 12:52 pm UTC