Raite

Overview

Na4Mn+24Si8(O,OH)24·9(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.32-2.39 g/cc
Hardness - Mohs	Raite - 3  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, red, yellow
Streak	yellow

Crystal Properties

Property	Value
Crystal structure	orthorhombic - disphenoidal
Cleavage	perfect
Tenacity	brittle
Fracture	brittle
Luster	vitreous, silky

Similar Minerals

Dana Number : 78.05.08.01

Class: 78

Group: 78.05

Subgroup: 78.05.08 - raite

Dana Number	Mineral Name	Formula
78.05.08.01	raite	Na4Mn+24Si8(O,OH)24·9(H2O)

Nickel-Strunz Number : 09.EE.55

Group : 09

Subgroup : EE

Nickel-Strunz Number	Mineral Name	Formula
09.EE.55	raite	Na4Mn+24Si8(O,OH)24·9(H2O)

Specimens

Localities

Uses