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ATHENA

MINERALOGY

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Mineral: MANGANLOTHARMEYERITE
Formula: Ca(Mn3+,▢,Mg)2{AsO4,[AsO2(OH)2]}2(OH,H2O)2
Crystal System: Monoclinic
Group: Tsumcorite group
IMA Number: 2001-026
References: CM 40/6 (2002), 1597; MR 4 (2004), 357
Type Locality: Starlera Fe-Mn deposit, Val Ferrera, Grischun (Graubünden), Switzerland
Comments: ▢ = vacancy

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