Paratacamite

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Paratacamite
Paratacamite-231241.jpg
Paratacamite from the Cornwall, England
General
CategoryHalide mineral
Formula
(repeating unit)
Cu3(Cu,Zn)(OH)6Cl2
Strunz classificationIII / D.01-55
Crystal systemTrigonal
Crystal classRhombohedral
Unit cella = 13,654, c = 14,041;
Identification
Formula mass58.433 g/mol
ColorGreen
CleavageVery good
FractureConchoidal
Mohs scale hardness3
LusterVitreous
StreakGreen
DiaphaneityTransparent
Specific gravity3.74
Density3.74g/cm3
SolubilityAcid-soluble
References[1]

Paratacamite is a mineral in the halide minerals category. Its chemical formula is Cu3(Cu,Zn)(OH)6Cl2. Its name is derived from its association with atacamite.

It is found in Chile, Botallack Mine in Cornwall, Broken Hill, Australia, and in Italy in Capo Calamita on the island of Elba.[1]

See also[edit]

References[edit]

  1. ^ a b "Paratacamite: Paratacamite mineral information and data". mindat.org. Retrieved 2017-09-20.