Chalcocite
[kælkәsait]
Definition
(n.) Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster.
Editor: Vince
[kælkәsait]
(n.) Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster.
Editor: Vince