Marshite

Overview

CuI
Fluorescence: dark red under LW	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	5.6-5.9 g/cc
Hardness - Mohs	Marshite - 2.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	brown, red, yellow, colorless
Streak	yellow

Crystal Properties

Property	Value
Crystal structure	isometric - hextetrahedral
Cleavage	perfect
Tenacity	brittle
Fracture	conchoidal
Luster	adamantine

Similar Minerals

Dana Number : 09.01.07.03

Class: 09

Group: 09.01

Subgroup: 09.01.07 - nantokite

Dana Number	Mineral Name	Formula
09.01.07.02	miersite	(Ag,Cu)I
09.01.07.03	marshite	CuI

Nickel-Strunz Number : 03.AA.05

Group : 03

Subgroup : AA

Nickel-Strunz Number	Mineral Name	Formula
03.AA.05	marshite	CuI
03.AA.05	miersite	(Ag,Cu)I

Specimens

Localities

Uses