Enargite

Overview

Cu3AsS4
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	4.45 g/cc
Hardness - Mohs	Enargite - 3  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	gray, black
Streak	grayish black

Crystal Properties

Property	Value
Crystal structure	orthorhombic - pyramidal
Cleavage	perfect
Tenacity	brittle
Fracture	uneven
Luster	metallic

Similar Minerals

Dana Number : 03.02.01.01

Class: 03

Group: 03.02

Subgroup: 03.02.01 - enargite

Dana Number	Mineral Name	Formula
03.02.01.01	enargite	Cu3AsS4

Nickel-Strunz Number : 02.KA.05

Group : 02

Subgroup : KA

Nickel-Strunz Number	Mineral Name	Formula
02.KA.05	enargite	Cu3AsS4

Specimens

Localities

Uses