Crossword clues for chalcocite
The Collaborative International Dictionary
Chalcocite \Chal"co*cite\, n. [Gr. chalko`s brass.] (Min.) Native copper sulphide, called also copper glance, and vitreous copper; a mineral of a black color and metallic luster. [Formerly written chalcosine.]
Wiktionary
n. (context mineral English) cuprous sulfide, copper2sulfur, an important ore of copper.
WordNet
n. a heavy gray mineral that is an ore of copper [syn: copper glance]
Wikipedia
Chalcocite, copper(I) sulfide (CuS), is an important copper ore mineral. It is opaque and dark-gray to black with a metallic luster. It has a hardness of 2½ - 3 on the Mohs scale. It is a sulfide with an orthorhombic crystal system.
The term chalcocite comes from the alteration of the obsolete name chalcosine, from the Greek khalkos, meaning copper. It is also known as redruthite, vitreous copper and copper-glance.
Usage examples of "chalcocite".
These creatures wandered the Great Escarpment in loose caravans, seeking the diffuse surface areas of stratiform copper deposits, preferably those with high amounts of tetrahedrite or chalcocite in them, so that they could recover silver as a byproduct of the copper.