Kochsándorite

Overview

CaAl2(CO3)2(OH)4·(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.486 g/cc
Hardness - Mohs	Kochsándorite - 2.0-2.5  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	orthorhombic - dipyramidal
Cleavage	none
Tenacity	brittle
Fracture	brittle
Luster	vitreous, silky

Similar Minerals

Dana Number : 16b.02.01.05

Class: 16b

Group: 16b.02

Subgroup: 16b.02.01 - dunsasite

Dana Number	Mineral Name	Formula
16b.02.01.01	dundasite	PbAl2(CO3)2(OH)4·(H2O)
16b.02.01.03	strontiodresserite	(Sr,Ca)Al2(CO3)2(OH)4·(H2O)
16b.02.01.05	kochsándorite	CaAl2(CO3)2(OH)4·(H2O)

Nickel-Strunz Number : 05.DB.10

Group : 05

Subgroup : DB

Nickel-Strunz Number	Mineral Name	Formula
05.DB.10	dundasite	PbAl2(CO3)2(OH)4·(H2O)
05.DB.10	kochsándorite	CaAl2(CO3)2(OH)4·(H2O)
05.DB.10	strontiodresserite	(Sr,Ca)Al2(CO3)2(OH)4·(H2O)

Specimens

Localities

Uses