Howlite

Specimen ID: A9-J0G-Y0

Gem(s)
Howlite : Ca2B5SiO9(OH)5
Locality
Mindat locality:
USA
Dimensions
16.22mm x 12.35mm x 4.72mm
weight: 8.2 carats
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Previous data
Mineral(s)
Howlite
Jolyon Ralph

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8,544 gemdatids have been issued as of 18th Jun 2025 2:51 pm UTC