Hübnerite

Overview

Mn+2(WO4)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	7.1-7.2 g/cc
Hardness - Mohs	Hübnerite - 4.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, black
Streak	red brown

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	brittle
Fracture	brittle
Luster	sub-metallic

Similar Minerals

Dana Number : 48.01.01.01

Class: 48

Group: 48.01

Subgroup: 48.01.01 - wolframite

Dana Number	Mineral Name	Formula
48.01.01.01	hübnerite	Mn+2(WO4)
48.01.01.02	ferberite	Fe+2(WO4)

Nickel-Strunz Number : 04.DB.30

Group : 04

Subgroup : DB

Nickel-Strunz Number	Mineral Name	Formula
04.DB.30	ferberite	Fe+2(WO4)
04.DB.30	hübnerite	Mn+2(WO4)

Specimens

Localities

Uses