Whitlockite

Overview

Ca9(Mg,Fe+2)(PO4)6(PO3OH)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.13 g/cc
Hardness - Mohs	Whitlockite - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	colorless, gray, yellow, white
Streak	white

Crystal Properties

Property	Value
Crystal structure	trigonal - ditrigonal pyramidal
Cleavage	none
Tenacity	brittle
Fracture	uneven
Luster	vitreous, resinous

Similar Minerals

Dana Number : 38.03.04.01

Class: 38

Group: 38.03

Subgroup: 38.03.04 - whitlockite

Dana Number	Mineral Name	Formula
38.03.04.01	whitlockite	Ca9(Mg,Fe+2)(PO4)6(PO3OH)
38.03.04.08	bobdownsite	Ca9Mg(PO3F)(PO4)6

Nickel-Strunz Number : 08.AC.45

Group : 08

Subgroup : AC

Nickel-Strunz Number	Mineral Name	Formula
08.AC.45	bobdownsite	Ca9Mg(PO3F)(PO4)6
08.AC.45	whitlockite	Ca9(Mg,Fe+2)(PO4)6(PO3OH)

Specimens

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Uses