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Modderite
Type Locality
New Modderfontein Mine (Modderfontein Mine), Benoni, Ekurhuleni District (East Rand), Witwatersrand field, Gauteng Province, South Africa
Mineral Data
(Co,Fe)As
Strunz:
2.CC.15
Physical Properties
Streak:
grey
Hardness:
4.0
