Hydrocalumite

Overview

Ca2Al(OH)6(Cl1-x(OH)x)·3(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.15 g/cc
Hardness - Mohs	Hydrocalumite - 3  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, light green
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - sphenoidal
Cleavage	perfect
Tenacity	-
Fracture	-
Luster	vitreous, pearly

Similar Minerals

Dana Number : 06.04.04.01

Class: 06

Group: 06.04

Subgroup: 06.04.04 - hydrocalumite

Dana Number	Mineral Name	Formula
06.04.04.01	hydrocalumite	Ca2Al(OH)6(Cl1-x(OH)x)·3(H2O)

Nickel-Strunz Number : 04.FL.10

Group : 04

Subgroup : FL

Nickel-Strunz Number	Mineral Name	Formula
04.FL.10	hydrocalumite	Ca2Al(OH)6(Cl1-x(OH)x)·3(H2O)

Specimens

Localities

Uses