Howlite

Specimen ID: AT-0GN-8E

Gem(s)
Howlite : Ca2B5SiO9(OH)5
Locality
Mindat locality:
USA
Dimensions
16.13mm x 12.29mm x 4.37mm
weight: 7.54 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 2:47 pm UTC