On exposure to air, chalcophanite oxidises to a variety of oxides, hydroxides and sulphates. Chalcophanite is rarely found in association with native copper. .
On exposure to air, chalcophanite oxidises to a variety of oxides, hydroxides and sulphates. Chalcophanite is rarely found in association with native copper. .
On exposure to air, chalcophanite oxidises to a variety of oxides, hydroxides and sulphates. Chalcophanite is rarely found in association with native copper. .