Mineral Factbook

Becquerelite

Ca(UO2)6O4(OH)6·8H2OIMA symbol: Bqrgrandfathered

Becquerelite is an oxide or hydroxide mineral with the formula Ca(UO2)6O4(OH)6·8H2O, crystallizing in the orthorhombic system. It has a calculated density of 5.049 g/cm3. Its streak is yellow.

Photos

Becquerelite specimen photo
Klaproth · CC BY-SA 4.0 · Commons
Becquerelite specimen photo
Klaproth · CC BY-SA 4.0 · Commons
Becquerelite specimen photo
Klaproth · CC BY-SA 4.0 · Commons
Becquerelite specimen photo
Klaproth · CC BY-SA 4.0 · Commons

Crystallography

Crystal systemorthorhombic crystal systemWikidata (CC0)
Space groupP n 21 a
Cell (Å, °)a = 13.8527, b = 12.3929, c = 14.9297; α = 90, β = 90, γ = 90
Cell volume2563.06 ų, Z = 4
Axial ratios1.1178:1:1.2047calculated from COD 9002700
Source structureCOD 9002700 (American Mineralogist, 2002) — 1 of 5 structures

Physical properties

Density (calculated)5.049 g/cm³calculated from COD 9002700
Streak
yellowsingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight1970.41 g/molcalculated from the IMA formula
Composition (wt%)Ca 2.03%, U 72.48%, O 24.36%, H 1.13%

Classification

Nickel-Strunz (10th)4.GB.10Wikidata (CC0)
Nickel-Strunz (9th)4.GB.10Wikidata (CC0)