Manganvesuvianite

Overview

Ca19Mn+3(Al,Mn+3,Fe+3)10(Mg,Mn+2)2Si18O69(OH)9
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.404 g/cc
Hardness - Mohs	Manganvesuvianite - 6.0-7.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	dark red, black, purple
Streak	reddish white

Crystal Properties

Property	Value
Crystal structure	tetragonal - dipyramidal
Cleavage	none
Tenacity	brittle
Fracture	sub-conchoidal
Luster	vitreous, glassy

Similar Minerals

Dana Number : 58.02.04.04

Class: 58

Group: 58.02

Subgroup: 58.02.04 - vesuvianite

Dana Number	Mineral Name	Formula
58.02.04.01	vesuvianite	Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4
58.02.04.04	manganvesuvianite	Ca19Mn+3(Al,Mn+3,Fe+3)10(Mg,Mn+2)2Si18O69(OH)9

Nickel-Strunz Number : 09.BG.35

Group : 09

Subgroup : BG

Nickel-Strunz Number	Mineral Name	Formula
09.BG.35	manganvesuvianite	Ca19Mn+3(Al,Mn+3,Fe+3)10(Mg,Mn+2)2Si18O69(OH)9
09.BG.35	vesuvianite	Ca10Mg2Al4(SiO4)5(Si2O7)2(OH)4

Specimens

Localities

Uses