Afmite

Overview

Al3(OH4)(H2O)3(PO4)(PO3OH)·(H2O)

Fluorescence: noneNot RadioactiveMagnetic: no
afmite
Description
Physical Properties
PropertyValue

Density

2.39 g/cc

Hardness - Mohs

Afmite - 1.5 10Diamond
9Carborundum
8Topaz
7Quartz
6Orthoclase
5Apatite
4Fluorite
3Calcite
2Gypsum
1Talc

Color

white, colorless, cream, yellow

Streak

white

Crystal Properties
PropertyValue

Crystal structure

triclinic - pinacoidal

Cleavage

perfect

Tenacity

flexible

Fracture

irregular

Luster

pearly

Similar Minerals

Dana Number : 42.09.03.06


Class: 42


Group: 42.09


Subgroup: 42.09.03 - turquoise


Dana NumberMineral NameFormula
42.09.03.01turquoiseCuAl6(PO4)4(OH)8·4(H2O)
42.09.03.02coeruleolactite(Ca,Cu)Al6(PO4)4(OH)8·4-5(H2O)
42.09.03.06afmiteAl3(OH4)(H2O)3(PO4)(PO3OH)·(H2O)

Nickel-Strunz Number : 08.DD.15


Group : 08


Subgroup : DD


Nickel-Strunz NumberMineral NameFormula
08.DD.15afmiteAl3(OH4)(H2O)3(PO4)(PO3OH)·(H2O)
08.DD.15turquoiseCuAl6(PO4)4(OH)8·4(H2O)
Specimens
Localities
Uses