Matulaite

Overview

CaAl18(PO4)12(OH)20·28(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.33 g/cc
Hardness - Mohs	Matulaite - 1  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, white
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	flexible
Fracture	-
Luster	pearly

Similar Minerals

Dana Number : 42.13.03.01

Class: 42

Group: 42.13

Subgroup: 42.13.03 - matulaite

Dana Number	Mineral Name	Formula
42.13.03.01	matulaite	CaAl18(PO4)12(OH)20·28(H2O)

Nickel-Strunz Number : 08.DK.30

Group : 08

Subgroup : DK

Nickel-Strunz Number	Mineral Name	Formula
08.DK.30	matulaite	CaAl18(PO4)12(OH)20·28(H2O)

Specimens

Localities

Uses