Baumhauerite

Overview

Pb3As4S9
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	5.33 g/cc
Hardness - Mohs	Baumhauerite - 3  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	gray
Streak	chocolate brown

Crystal Properties

Property	Value
Crystal structure	triclinic - pinacoidal
Cleavage	perfect
Tenacity	-
Fracture	conchoidal
Luster	metallic

Similar Minerals

Dana Number : 03.06.13.01

Class: 03

Group: 03.06

Subgroup: 03.06.13 - baumhauerite

Dana Number	Mineral Name	Formula
03.06.13.01	baumhauerite	Pb3As4S9

Nickel-Strunz Number : 02.HC.05b

Group : 02

Subgroup : HC

Nickel-Strunz Number	Mineral Name	Formula
02.HC.05b	argentobaumhauerite	Ag1.5Pb22As33.5S72
02.HC.05b	baumhauerite	Pb3As4S9

Specimens

Localities

Uses