Diallage

Overview

CaMgSi2O6
Fluorescence: sometimes red-purple unde SW and LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.25-3.55 g/cc
Hardness - Mohs	Diallage - 6  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue, brown, colorless, green, gray
Streak	greenish white

Crystal Properties

Property	Value
Crystal structure	monoclinic -
Cleavage	good
Tenacity	brittle
Fracture	conchoidal
Luster	vitreous, glassy

Similar Minerals

Dana Number : 65.01.03a.01

Class: 65

Group: 65.01

Subgroup: 65.01.03a - C2/c clinopyroxenes

Dana Number	Mineral Name	Formula
65.01.03a.01	diallage	CaMgSi2O6
65.01.03a.01	diopside	CaMgSi2O6
65.01.03a.02	hedenbergite	CaFe+2Si2O6
65.01.03a.03	augite	(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
65.01.03a.06	esseneite	CaFe+3Al(SiO6)

Nickel-Strunz Number : 09.DA.15

Group : 09

Subgroup : DA

Nickel-Strunz Number	Mineral Name	Formula
09.DA.15	augite	(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
09.DA.15	diallage	CaMgSi2O6
09.DA.15	diopside	CaMgSi2O6
09.DA.15	esseneite	CaFe+3Al(SiO6)
09.DA.15	hedenbergite	CaFe+2Si2O6

Specimens

Localities

Uses