Steigerite

Overview

Al(VO4)·3(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.55 g/cc
Hardness - Mohs	Steigerite - 2.5-3.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow, green
Streak	yellow

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	fragile
Fracture	-
Luster	waxy

Similar Minerals

Dana Number : 40.04.05.01

Class: 40

Group: 40.04

Subgroup: 40.04.05 - steigerite

Dana Number	Mineral Name	Formula
40.04.05.01	steigerite	Al(VO4)·3(H2O)

Nickel-Strunz Number : 08.CE.65

Group : 08

Subgroup : CE

Nickel-Strunz Number	Mineral Name	Formula
08.CE.65	steigerite	Al(VO4)·3(H2O)

Specimens

Localities

Uses