Manganonaujakasite

Overview

Na6(Mn,Fe+2)Al4Si8O26
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	2.67 g/cc
Hardness - Mohs	Manganonaujakasite - 3.0-4.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	blue
Streak	pale blue

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	perfect
Tenacity	brittle
Fracture	brittle
Luster	vitreous, glassy

Similar Minerals

Dana Number : 73.01.01.02

Class: 73

Group: 73.01

Subgroup: 73.01.01 - naujakasite

Dana Number	Mineral Name	Formula
73.01.01.01	naujakasite	Na6(Fe+2,Mn)Al4Si8O26
73.01.01.02	manganonaujakasite	Na6(Mn,Fe+2)Al4Si8O26

Nickel-Strunz Number : 09.EG.10

Group : 09

Subgroup : EG

Nickel-Strunz Number	Mineral Name	Formula
09.EG.10	manganonaujakasite	Na6(Mn,Fe+2)Al4Si8O26
09.EG.10	naujakasite	Na6(Fe+2,Mn)Al4Si8O26

Specimens

Localities

Uses