Mineral Factbook

Ichnusaite

Th(MoO4)2·3H2OIMA symbol: Ichapproved

Ichnusaite is a mineral with the formula Th(MoO4)2·3H2O, crystallizing in the monoclinic system. It has a calculated density of 4.23 g/cm3.

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 21/c 1
Cell (Å, °)a = 9.6797, b = 10.3771, c = 9.3782; α = 90, β = 90, γ = 90
Cell volume942.014 ų, Z = 4
Axial ratios0.9328:1:0.9037calculated from COD 9017081
Source structureCOD 9017081 (American Mineralogist, 2014)

Physical properties

Density (calculated)4.23 g/cm³calculated from COD 9017081

Chemistry (calculated)

Molecular weight605.96 g/molcalculated from the IMA formula
Composition (wt%)Th 38.29%, Mo 31.67%, O 29.04%, H 1%