Cyanotrichite

Overview

Cu+42Al2(SO4)(OH)12·2(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.74-2.95 g/cc
Hardness - Mohs	Cyanotrichite - 2  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue
Streak	pale blue

Crystal Properties

Property	Value
Crystal structure	orthorhombic - unknown
Cleavage	good
Tenacity	-
Fracture	uneven
Luster	silky

Similar Minerals

Dana Number : 31.02.01.01

Class: 31

Group: 31.02

Subgroup: 31.02.01 - cyanotrichite

Dana Number	Mineral Name	Formula
31.02.01.01	cyanotrichite	Cu+42Al2(SO4)(OH)12·2(H2O)

Nickel-Strunz Number : 07.DE.10

Group : 07

Subgroup : DE

Nickel-Strunz Number	Mineral Name	Formula
07.DE.10	carbonatecyanotrichite	Cu+24Al2(CO3,SO4)(OH)12·2(H2O)
07.DE.10	cyanotrichite	Cu+42Al2(SO4)(OH)12·2(H2O)

Specimens

Localities

Uses