Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:MANGANVESUVIANITE
Formula:Ca19Mn3+(Al,Mn3+,Fe3+)10(Mg,Mn2+)2Si18O69(OH)9
Crystal System:Quadratic (Tetragonal)
Strunz Nr:8/C.26-030
Group:Vesuvianite Group
References:MM 66 (2002), 137; MR 3 (2003), 266
Type Locality:Wessels mine and N'Chwaning II mine, Kalahari Mn fields, Kuruman Hill, Cape Province, South Africa

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