Purpurite

Overview

Mn+3(PO4)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.4 g/cc
Hardness - Mohs	Purpurite - 4.0-5.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	purple, dark red, dark pink, brownish black
Streak	red

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	perfect
Tenacity	brittle
Fracture	uneven
Luster	earthy

Similar Minerals

Dana Number : 38.04.01.02

Class: 38

Group: 38.04

Subgroup: 38.04.01 - heterosite

Dana Number	Mineral Name	Formula
38.04.01.02	purpurite	Mn+3(PO4)

Nickel-Strunz Number : 08.AB.10

Group : 08

Subgroup : AB

Nickel-Strunz Number	Mineral Name	Formula
08.AB.10	purpurite	Mn+3(PO4)
08.AB.10	triphylite	LiFe+2(PO4)

Specimens

Localities

Uses