Tyuyamunite

Overview

Ca(UO2)2V2O8·5-8(H2O)
Fluorescence: yellow-green unde SW and LW	Very Strongly Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.3-4.3 g/cc
Hardness - Mohs	Tyuyamunite - 1.5-2.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	yellow
Streak	light yellow

Crystal Properties

Property	Value
Crystal structure	orthorhombic - dipyramidal
Cleavage	perfect
Tenacity	-
Fracture	uneven
Luster	adamantine

Similar Minerals

Dana Number : 40.02a.26.01

Class: 40

Group: 40.02a

Subgroup: 40.02a.26 - tyuyamunite

Dana Number	Mineral Name	Formula
40.02a.26.01	tyuyamunite	Ca(UO2)2V2O8·5-8(H2O)

Nickel-Strunz Number : 04.HB.25

Group : 04

Subgroup : HB

Nickel-Strunz Number	Mineral Name	Formula
04.HB.25	tyuyamunite	Ca(UO2)2V2O8·5-8(H2O)

Specimens

Localities

Uses