Briartite

Overview

Cu2(Zn,Fe)GeS4
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	4.5 g/cc
Hardness - Mohs	Briartite - 3.5-4.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue gray, gray
Streak	-

Crystal Properties

Property	Value
Crystal structure	tetragonal - scalenohedral
Cleavage	-
Tenacity	-
Fracture	-
Luster	metallic

Similar Minerals

Dana Number : 02.09.02.03

Class: 02

Group: 02.09

Subgroup: 02.09.02 - stannite

Dana Number	Mineral Name	Formula
02.09.02.03	briartite	Cu2(Zn,Fe)GeS4
02.09.02.09	kësterite	Cu2(Zn,Fe)SnS4
02.09.02.10	ferrokesterite	Cu2(Fe,Zn)SnS4

Nickel-Strunz Number : 02.KA.10

Group : 02

Subgroup : KA

Nickel-Strunz Number	Mineral Name	Formula
02.KA.10	briartite	Cu2(Zn,Fe)GeS4

Specimens

Localities

Uses