Comancheite

Overview

Hg13(Cl,Br)8O9
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	7.7 g/cc
Hardness - Mohs	Comancheite - 2  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow, orange, red
Streak	orange

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	distinct
Tenacity	-
Fracture	brittle
Luster	vitreous, resinous

Similar Minerals

Dana Number : 10.05.05.01

Class: 10

Group: 10.05

Subgroup: 10.05.05 - comancheite

Dana Number	Mineral Name	Formula
10.05.05.01	comancheite	Hg13(Cl,Br)8O9

Nickel-Strunz Number : 03.DD.65

Group : 03

Subgroup : DD

Nickel-Strunz Number	Mineral Name	Formula
03.DD.65	comancheite	Hg13(Cl,Br)8O9

Specimens

Localities

Uses