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ATHENA

MINERALOGY

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Mineral:HENNOMARTINITE
Formula:SrMn3+2Si2O7(OH)2 · H2O
Crystal System:Orthorhombic
Strunz Nr:8/C.10-15
Group:Lawsonite group
References:SMPM 73 (1993), 349; HB2/1 (1995); NM 90-94 (1997)
Type Locality:Wessels mine, Kalahari Mn field, Kuruman Hill, Cape Province, South Africa

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