Cleusonite

Overview

Pb(U+4,U+6)(Ti,Fe+2,Fe+3)20(O,OH)38
Fluorescence: none	Strongly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	4.74 g/cc
Hardness - Mohs	Cleusonite - 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	black
Streak	black

Crystal Properties

Property	Value
Crystal structure	trigonal - rhombohedral
Cleavage	none
Tenacity	brittle
Fracture	conchoidal
Luster	sub-metallic

Similar Minerals

Dana Number : 08.05.01.10

Class: 08

Group: 08.05

Subgroup: 08.05.01 - crichtonite

Dana Number	Mineral Name	Formula
08.05.01.03	crichtonite	(Sr,La,Ce,Y)(Ti,Fe+3,Mn)21O38
08.05.01.04	senaite	Pb(Ti,Fe,Mn)21O38
08.05.01.05	davidite-(La)	(La,Ce,Ca)(Y,U)(Ti,Fe+3)20O38
08.05.01.10	cleusonite	Pb(U+4,U+6)(Ti,Fe+2,Fe+3)20(O,OH)38

Nickel-Strunz Number : 04.CC.40

Group : 04

Subgroup : CC

Nickel-Strunz Number	Mineral Name	Formula
04.CC.40	almeidaite	PbZn2(Mn,Y)(Ti,Fe+3)18O37(OH,O)
04.CC.40	cleusonite	Pb(U+4,U+6)(Ti,Fe+2,Fe+3)20(O,OH)38
04.CC.40	crichtonite	(Sr,La,Ce,Y)(Ti,Fe+3,Mn)21O38
04.CC.40	davidite-(La)	(La,Ce,Ca)(Y,U)(Ti,Fe+3)20O38
04.CC.40	senaite	Pb(Ti,Fe,Mn)21O38

Specimens

Localities

Uses