Balangeroite

Overview

(Mg,Fe+3,Fe+2,Mn+2)42Si16O54(OH)40
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.96-3.1 g/cc
Hardness - Mohs	Balangeroite - -  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow, brown
Streak	brownish white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	good
Tenacity	brittle
Fracture	brittle
Luster	vitreous, greasy

Similar Minerals

Dana Number : 65.03.02.01

Class: 65

Group: 65.03

Subgroup: 65.03.02 - gageite

Dana Number	Mineral Name	Formula
65.03.02.01	balangeroite	(Mg,Fe+3,Fe+2,Mn+2)42Si16O54(OH)40
65.03.02.02b	gageite	(Mn,Mg,Zn)42Si16O54(OH)40

Nickel-Strunz Number : 09.DH.35

Group : 09

Subgroup : DH

Nickel-Strunz Number	Mineral Name	Formula
09.DH.35	balangeroite	(Mg,Fe+3,Fe+2,Mn+2)42Si16O54(OH)40
09.DH.35	gageite	(Mn,Mg,Zn)42Si16O54(OH)40

Specimens

Localities

Uses