Wavellite

Overview

Al3(PO4)2(OH,F)3·5(H2O)
Fluorescence: yellow blue under SW, bright yellow blue under LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.3-2.4 g/cc
Hardness - Mohs	Wavellite - 3.5-4.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue, brown, brownish black, green, colorless
Streak	white

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	perfect
Tenacity	-
Fracture	fibrous
Luster	vitreous, pearly

Similar Minerals

Dana Number : 42.10.02.01

Class: 42

Group: 42.10

Subgroup: 42.10.02 - waveliite

Dana Number	Mineral Name	Formula
42.10.02.01	wavellite	Al3(PO4)2(OH,F)3·5(H2O)

Nickel-Strunz Number : 08.DC.50

Group : 08

Subgroup : DC

Nickel-Strunz Number	Mineral Name	Formula
08.DC.50	wavellite	Al3(PO4)2(OH,F)3·5(H2O)

Specimens

Localities

Uses