Wollastonite-1A

Overview

CaSiO3
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.8-2.9 g/cc
Hardness - Mohs	Wollastonite-1A - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	white, yellow, gray, red, brown
Streak	white

Crystal Properties

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

Similar Minerals

Dana Number : 65.02.01.01a

Class: 65

Group: 65.02

Subgroup: 65.02.01 - wollastonite

Dana Number	Mineral Name	Formula
65.02.01.01a	wollastonite-1A	CaSiO3
65.02.01.02	bustamite	(Mn,Ca)3Si3O9
65.02.01.04	pectolite	NaCa2Si3O8(OH)
65.02.01.05	sérandite	Na(Mn+3,Ca)2Si3O8(OH)
65.02.01.07	denisovite	(K,Na)Ca2Si3O8(F,OH)

Nickel-Strunz Number : 09.DG.05

Group : 09

Subgroup : DG

Nickel-Strunz Number	Mineral Name	Formula
09.DG.05	bustamite	(Mn,Ca)3Si3O9
09.DG.05	pectolite	NaCa2Si3O8(OH)
09.DG.05	sérandite	Na(Mn+3,Ca)2Si3O8(OH)
09.DG.05	wollastonite-1A	CaSiO3

Specimens

Localities

Uses