Tellurobismuthite

Overview

Bi2Te3
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	7.815 g/cc
Hardness - Mohs	Tellurobismuthite - 1.5-2.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	pale gray
Streak	gray

Crystal Properties

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

Similar Minerals

Dana Number : 02.11.07.02

Class: 02

Group: 02.11

Subgroup: 02.11.07 - tetradymite

Dana Number	Mineral Name	Formula
02.11.07.01	tetradymite	Bi2Te2S
02.11.07.02	tellurobismuthite	Bi2Te3
02.11.07.03	tellurantimony	Sb2Te3
02.11.07.05	kawazulite	Bi2(Te,Se,S)3
02.11.07.07	vihorlatite	Bi24Se17Te4

Nickel-Strunz Number : 02.DC.05c

Group : 02

Subgroup : DC

Nickel-Strunz Number	Mineral Name	Formula
02.DC.05c	kawazulite	Bi2(Te,Se,S)3
02.DC.05c	tellurantimony	Sb2Te3
02.DC.05c	tellurobismuthite	Bi2Te3
02.DC.05c	tetradymite	Bi2Te2S

Specimens

Localities

Uses