Pyroxferroite

Overview

(Fe+2,Mn+2)7(Si7O21)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.68-3.76 g/cc
Hardness - Mohs	Pyroxferroite - 4.5-5.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, yellow, orange
Streak	white

Crystal Properties

Property	Value
Crystal structure	triclinic - pinacoidal
Cleavage	perfect
Tenacity	-
Fracture	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 65.06.01.02

Class: 65

Group: 65.06

Subgroup: 65.06.01 - pyroxmangite

Dana Number	Mineral Name	Formula
65.06.01.01	pyroxmangite	(Mn+2,Fe+2)SiO3
65.06.01.02	pyroxferroite	(Fe+2,Mn+2)7(Si7O21)

Nickel-Strunz Number : 09.DO.05

Group : 09

Subgroup : DO

Nickel-Strunz Number	Mineral Name	Formula
09.DO.05	pyroxferroite	(Fe+2,Mn+2)7(Si7O21)
09.DO.05	pyroxmangite	(Mn+2,Fe+2)SiO3

Specimens

Localities

Uses