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Effenbergerite
Type Locality
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese field, Northern Cape Province, South Africa
Mineral Data
BaCu[Si
4
O
10
]
Strunz:
9.EA.05
Physical Properties
Colour:
blue
Crystal System:
Tetragonal
Hardness:
4.0 - 5.0
