Chalcophanite : ZnMn4+3O7·3H2O
2.2cm x 2.3cm
Photo added to mindat.org
“Dark brown crystals of chalcophanite on matrix.
Ex Steffen Möckel Collection (label).
Photographed by, and in the collection of Dan Costian.
”
Dan Costian - 22nd October 2016
Photo added to mindat.org
“Dark brown crystals of chalcophanite on matrix.
Ex Steffen Möckel Collection (label).
Photographed by, and in the collection of Dan Costian.
”
Dan Costian - 22nd October 2016
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