Tacharanite

Overview

Ca12Al2Si18O33(OH)36
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.21-2.36 g/cc
Hardness - Mohs	Tacharanite - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	white
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - unknown
Cleavage	perfect
Tenacity	tough
Fracture	conchoidal
Luster	earthy

Similar Minerals

Dana Number : 72.03.02.06

Class: 72

Group: 72.03

Subgroup: 72.03.02 - tobermorite

Dana Number	Mineral Name	Formula
72.03.02.01	tobermorite	Ca5Si6O16(OH)2·4(H2O)
72.03.02.03	plombièrite	Ca5H2Si6O18·6(H2O)
72.03.02.05	okenite	Ca3(Si6O15)·6(H2O)
72.03.02.06	tacharanite	Ca12Al2Si18O33(OH)36
72.03.02.08	oyelite	Ca10B2Si8O29·12(H2O)

Nickel-Strunz Number : 09.HA.75

Group : 09

Subgroup : HA

Nickel-Strunz Number	Mineral Name	Formula
09.HA.75	tacharanite	Ca12Al2Si18O33(OH)36

Specimens

Localities

Uses