Abernathyite
K(UO2)(AsO4)·3H2OIMA symbol: Abngrandfathered
Abernathyite is a phosphate, arsenate, or vanadate mineral with the formula K(UO2)(AsO4)·3H2O, crystallizing in the tetragonal system. It has a calculated density of 3.53 g/cm3.
Crystallography
| Crystal system | tetragonal crystal systemWikidata (CC0) |
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| Space group | P 4/n c c :2 |
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| Cell (Å, °) | a = 7.176, b = 7.176, c = 18.126; α = 90, β = 90, γ = 90 |
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| Cell volume | 933.398 ų, Z = 4 |
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| Axial ratios | 1.0000:1:2.5259calculated from COD 9000126 |
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| Source structure | COD 9000126 (American Mineralogist, 1964) — 1 of 6 structures |
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Physical properties
| Density (calculated) | 3.53 g/cm³calculated from COD 9000126 |
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Chemistry (calculated)
| Molecular weight | 502.09 g/molcalculated from the IMA formula |
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| Composition (wt%) | K 7.79%, U 47.41%, O 28.68%, As 14.92%, H 1.2% |
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Classification
| Nickel-Strunz (10th) | 8.EB.15Wikidata (CC0) |
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| Nickel-Strunz (9th) | 8.EB.15Wikidata (CC0) |
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| Dana (8th) | 40.2a.9.1Wikidata (CC0) |
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