Penroseite

Overview

(Ni,Co,Cu)Se2
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	6.58-6.74 g/cc
Hardness - Mohs	Penroseite - 2.5-3.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	gray
Streak	black

Crystal Properties

Property	Value
Crystal structure	isometric - diploidal
Cleavage	perfect
Tenacity	brittle
Fracture	subconchoidal
Luster	metallic

Similar Minerals

Dana Number : 02.12.01.04

Class: 02

Group: 02.12

Subgroup: 02.12.01 - pyrite

Dana Number	Mineral Name	Formula
02.12.01.01	pyrite	FeS2
02.12.01.02	vaesite	NiS2
02.12.01.03	cattierite	CoS2
02.12.01.04	penroseite	(Ni,Co,Cu)Se2
02.12.01.05	trogtalite	CoSe2
02.12.01.06	villamaninite	(Cu,Ni,Co,Fe)S2
02.12.01.07	fukuchilite	Cu3FeS8
02.12.01.08	krut$tcaron;aite	CuSe2
02.12.01.09	hauerite	MnS2
02.12.01.10	laurite	RuS2
02.12.01.11	aurostibite	AuSb2
02.12.01.13	sperrylite	PtAs2

Nickel-Strunz Number : 02.EB.05a

Group : 02

Subgroup : EB

Nickel-Strunz Number	Mineral Name	Formula
02.EB.05a	aurostibite	AuSb2
02.EB.05a	cattierite	CoS2
02.EB.05a	fukuchilite	Cu3FeS8
02.EB.05a	hauerite	MnS2
02.EB.05a	krut$tcaron;aite	CuSe2
02.EB.05a	laurite	RuS2
02.EB.05a	penroseite	(Ni,Co,Cu)Se2
02.EB.05a	pyrite	FeS2
02.EB.05a	sperrylite	PtAs2
02.EB.05a	trogtalite	CoSe2
02.EB.05a	vaesite	NiS2
02.EB.05a	villamaninite	(Cu,Ni,Co,Fe)S2

Specimens

Localities

Uses