Uranocircite

Overview

Ba(UO2)2(PO4)2·12(H2O)
Fluorescence: green under SW and LW	Very Strongly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.46 g/cc
Hardness - Mohs	Uranocircite - 2.0-2.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow, yellow green
Streak	light yellow

Crystal Properties

Property	Value
Crystal structure	tetragonal - ditetragonal dipyramidal
Cleavage	perfect
Tenacity	-
Fracture	flexible
Luster	Pearly

Similar Minerals

Dana Number : 40.02a.03.01

Class: 40

Group: 40.02a

Subgroup: 40.02a.03 - uranocircite

Dana Number	Mineral Name	Formula
40.02a.03.01	uranocircite	Ba(UO2)2(PO4)2·12(H2O)

Nickel-Strunz Number : 08.EB.05

Group : 08

Subgroup : EB

Nickel-Strunz Number	Mineral Name	Formula
08.EB.05	autunite	Ca(UO2)2(PO4)2·12(H2O)
08.EB.05	metarauchite	Ni(UO2)2(AsO4)2·8(H2O)
08.EB.05	saleeite	Mg(UO2)2(PO4)2·10(H2O)
08.EB.05	torbernite	Cu(UO2)2(PO4)2·8-12(H2O)
08.EB.05	uranocircite	Ba(UO2)2(PO4)2·12(H2O)
08.EB.05	uranospinite	Ca(UO2)2(AsO4)2·10(H2O)
08.EB.05	zeunerite	Cu(UO2)2(AsO4)2·10-16(H2O)

Specimens

Localities

Uses