Tinsleyite

Overview

KAl2(PO4)2(OH)·2(H2O)
Fluorescence: none	Barely Detectable Radiation	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.69 g/cc
Hardness - Mohs	Tinsleyite - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	dark red
Streak	pink

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	none
Tenacity	brittle
Fracture	uneven
Luster	vitreous, glassy

Similar Minerals

Dana Number : 42.11.06.02

Class: 42

Group: 42.11

Subgroup: 42.11.06 - leucophosphite

Dana Number	Mineral Name	Formula
42.11.06.01	leucophosphite	KFe+32(PO4)2(OH)·2(H2O)
42.11.06.02	tinsleyite	KAl2(PO4)2(OH)·2(H2O)

Nickel-Strunz Number : 08.DH.10

Group : 08

Subgroup : DH

Nickel-Strunz Number	Mineral Name	Formula
08.DH.10	leucophosphite	KFe+32(PO4)2(OH)·2(H2O)
08.DH.10	tinsleyite	KAl2(PO4)2(OH)·2(H2O)

Specimens

Localities

Uses