Lengenbachite

Overview

Pb6(Ag,Cu)2As4S13
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	5.8-5.85 g/cc
Hardness - Mohs	Lengenbachite - 1.0-2.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue, gray
Streak	brownish black

Crystal Properties

Property	Value
Crystal structure	triclinic - prismatic
Cleavage	perfect
Tenacity	maleable
Fracture	flexible
Luster	metallic

Similar Minerals

Dana Number : 03.03.07.01

Class: 03

Group: 03.03

Subgroup: 03.03.07 - lengenbachite

Dana Number	Mineral Name	Formula
03.03.07.01	lengenbachite	Pb6(Ag,Cu)2As4S13

Nickel-Strunz Number : 02.HF.30

Group : 02

Subgroup : HF

Nickel-Strunz Number	Mineral Name	Formula
02.HF.30	lengenbachite	Pb6(Ag,Cu)2As4S13

Specimens

Localities

Uses