Argandite

Overview

Mn7(VO4)2(OH)8
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.71 g/cc
Hardness - Mohs	Argandite - 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	orange
Streak	pale orange

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	distinct
Tenacity	brittle
Fracture
Luster	vitreous

Similar Minerals

Dana Number : 41.02.01.04

Class: 41

Group: 41.02

Subgroup: 41.02.01 - allactite

Dana Number	Mineral Name	Formula
41.02.01.04	argandite	Mn7(VO4)2(OH)8

Nickel-Strunz Number : 08.BE.30

Group : 08

Subgroup : BE

Nickel-Strunz Number	Mineral Name	Formula
08.BE.30	argandite	Mn7(VO4)2(OH)8

Specimens

Localities

Uses