Studtite
(UO2)(O2)(H2O)2·2H2OIMA symbol: Stugrandfathered
Studtite is an oxide or hydroxide mineral with the formula (UO2)(O2)(H2O)2·2H2O. It has a calculated density of 3.733 g/cm3.
Crystallography
| Space group | C 1 2/c 1 |
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| Cell (Å, °) | a = 14.068, b = 6.721, c = 8.428; α = 90, β = 123.356, γ = 90 |
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| Cell volume | 665.607 ų, Z = 4 |
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| Axial ratios | 2.0931:1:1.2540calculated from COD 9003064 |
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| Source structure | COD 9003064 (American Mineralogist, 2003) |
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Powder X-ray diffraction (calculated)
| d (Å) | 5.834 | 5.875 | 3.384 | 3.366 | 3.46 | 4.207 |
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| I/I₀ | 100 | 50.3 | 30.1 | 27.1 | 26.9 | 19.2 |
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xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9003064; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 3.733 g/cm³calculated from COD 9003064 |
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Chemistry (calculated)
| Molecular weight | 374.09 g/molcalculated from the IMA formula |
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| Composition (wt%) | U 63.63%, O 34.22%, H 2.16% |
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Classification
| Nickel-Strunz (10th) | 4.GA.15Wikidata (CC0) |
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| Nickel-Strunz (9th) | 4.GA.15Wikidata (CC0) |
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