Demesmaekerite

Overview

Pb2Cu5(UO2)2(SeO3)6(OH)6·2(H2O)
Fluorescence:	Very Strongly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	5.28 g/cc
Hardness - Mohs	Demesmaekerite - 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	brown, green
Streak

Crystal Properties

Property	Value
Crystal structure	triclinic - pinacoidal
Cleavage
Tenacity
Fracture
Luster	vitreous, glassy

Similar Minerals

Dana Number : 34.07.06.01

Class: 34

Group: 34.07

Subgroup: 34.07.06 - demesmaekerite

Dana Number	Mineral Name	Formula
34.07.06.01	demesmaekerite	Pb2Cu5(UO2)2(SeO3)6(OH)6·2(H2O)

Nickel-Strunz Number : 04.JJ.20

Group : 04

Subgroup : JJ

Nickel-Strunz Number	Mineral Name	Formula
04.JJ.20	demesmaekerite	Pb2Cu5(UO2)2(SeO3)6(OH)6·2(H2O)

Specimens

Localities

Uses