Joseite

Overview

Bi4(S,Te)3
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	8.1 g/cc
Hardness - Mohs	Joseite - 2  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	gray, black
Streak	gray

Crystal Properties

Property	Value
Crystal structure	trigonal - hexagonal scalenohedral
Cleavage	perfect
Tenacity	flexible
Fracture	micaceous
Luster	metallic

Similar Minerals

Dana Number : 02.06.02.01

Class: 02

Group: 02.06

Subgroup: 02.06.02 - joseite

Dana Number	Mineral Name	Formula
02.06.02.01	joseite	Bi4(S,Te)3
02.06.02.03	ikunolite	Bi4(S,Se)3
02.06.02.04	laitakarite	Bi4(Se,S)3

Nickel-Strunz Number : 02.DC.05d

Group : 02

Subgroup : DC

Nickel-Strunz Number	Mineral Name	Formula
02.DC.05d	ikunolite	Bi4(S,Se)3
02.DC.05d	joseite	Bi4(S,Te)3
02.DC.05d	laitakarite	Bi4(Se,S)3

Specimens

Localities

Uses