Chalcophanite : ZnMn4+3O7·3H2O
As recorded:
Christiana mine - Kamariza mines - Laurion - Attica - Greece
47mm x 22mm x 35mm
weight: 40g
The surface of this specimen is almost covered by little, dark grey colored crystals of chalcophanite: they have metallic reflections.Chalcophanite is an oxyde of zinc, iron and manganese.Some pictures are a little overlightened to (Gmineral Gallery)
Mineral(s)
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