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Jahnsite-(CaMnMn)

Type Locality
Cubos-Mesquitela-Mangualde area, Mangualde, Viseu District, Portugal
Mineral Data
{Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Physical Properties
Streak: 
White
Hardness: 
4.0
Tenacity: 
brittle
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