Barysilite

Overview

Pb8Mn(Si2O7)3
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	6.11-6.72 g/cc
Hardness - Mohs	Barysilite - 3  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	white, gray
Streak	white

Crystal Properties

Property	Value
Crystal structure	trigonal -
Cleavage	perfect
Tenacity	brittle
Fracture	uneven
Luster	adamantine

Similar Minerals

Dana Number : 55.02.03.01

Class: 55

Group: 55.02

Subgroup: 55.02.03 - barysilite

Dana Number	Mineral Name	Formula
55.02.03.01	barysilite	Pb8Mn(Si2O7)3

Nickel-Strunz Number : 09.BC.20

Group : 09

Subgroup : BC

Nickel-Strunz Number	Mineral Name	Formula
09.BC.20	barysilite	Pb8Mn(Si2O7)3

Specimens

Localities

Uses