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..., W. A., R. A. Howie and J. Zussman, ''An Introduction to the Rock Forming Minerals'', Logman, 1966, pp. 340–355 ISBN 0-582-44210-9</ref> ...ld, varieties of quartz have been, since antiquity, the most commonly used minerals in the making of [[jewelry]] and [[hardstone carving]]s.

| category = [[Carbonate mineral]] ...ineral, with the [[chemical formula|formula]] [[copper|Cu]]₂[[carbonate|CO₃]][[hydroxide|(OH)]]₂. This green-colored mineral