Aurichalcite

Aurichalcite is a carbonate mineral, usually found as a secondary mineral in copper and zinc deposits. Its chemical formula is (Zn,Cu)₅(CO₃)₂(OH)₆. The name probably originates from the Greek oreichalchos meaning "mountain copper". Aurichalcite (Zinc Copper Carbonate Hydroxide) Source: US Government File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Aurichalcite (Zinc Copper Carbonate Hydroxide) Source: US Government File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Wikipedia does not yet have an article with this exact name. ... General Name, Symbol, Number copper, Cu, 29 Chemical series transition metals Group, Period, Block 11, 4, d Appearance copper, metallic Atomic mass 63. ... General Name, Symbol, Number zinc, Zn, 30 Chemical series transition metals Group, Period, Block 12, 4, d Appearance bluish pale gray Atomic mass 65. ...

Aurichalcite

(1) Hardness: 1-2

(2) pale blue-green streak

(3) silky-pearly luster

(4) forms in oxidized copper/zinc veins with azurite and malachite

(5) soluble in dilute HCl

(6) SG 3.96

(7) (Zn,Cu)5(CO3)2(OH)6

(8) Cleavage: perfect, Fracture: uneven

(9) Group: carbonates

(10) color: pale green, greenish blue, sky blue