Chelkarite

Overview

CaMgB2O4Cl2·7(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

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

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	perfect
Tenacity	-
Fracture	-
Luster	vitreous, glassy

Similar Minerals

Dana Number : 26.07.02.01

Class: 26

Group: 26.07

Subgroup: 26.07.02 - chelkarite

Dana Number	Mineral Name	Formula
26.07.02.01	chelkarite	CaMgB2O4Cl2·7(H2O)

Nickel-Strunz Number : 06.HA.05

Group : 06

Subgroup : HA

Nickel-Strunz Number	Mineral Name	Formula
06.HA.05	chelkarite	CaMgB2O4Cl2·7(H2O)

Specimens

Localities

Uses