Chalcophyllite

Overview

Cu+218Al2(AsO4)3(SO4)3(OH)27·33(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.4-2.66 g/cc
Hardness - Mohs	Chalcophyllite - 2  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	green, blue green
Streak	pale green

Crystal Properties

Property	Value
Crystal structure	trigonal - hexagonal scalenohedral
Cleavage	perfect
Tenacity	-
Fracture	uneven
Luster	vitreous, pearly

Similar Minerals

Dana Number : 43.05.14.01

Class: 43

Group: 43.05

Subgroup: 43.05.14 - chalcophyllite

Dana Number	Mineral Name	Formula
43.05.14.01	chalcophyllite	Cu+218Al2(AsO4)3(SO4)3(OH)27·33(H2O)

Nickel-Strunz Number : 08.DF.30

Group : 08

Subgroup : DF

Nickel-Strunz Number	Mineral Name	Formula
08.DF.30	chalcophyllite	Cu+218Al2(AsO4)3(SO4)3(OH)27·33(H2O)

Specimens

Localities

Uses