Arfvedsonite

Specimen ID: T2A-AW3

Mineral(s)
Arfvedsonite : [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2
Locality
Mindat locality:
Dimensions
56mm x 47mm x 31mm
Events

Photo added to mindat.org

Black crystals on white quartz matrix. JSS specimen and photo.
John Sobolewski - 26th August 2019
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4,963,234 minIDs have been issued as of 23rd Jan 2020 11:08 am UTC