Avicennite
Tl2O3IMA symbol: Avcgrandfathered
Avicennite is an oxide or hydroxide mineral with the formula Tl2O3, crystallizing in the cubic system. It has a calculated density of 10.276 g/cm3.
Crystallography
| Crystal system | cubic crystal systemWikidata (CC0) |
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| Space group | I 21 3 |
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| Cell (Å, °) | a = 10.57, b = 10.57, c = 10.57; α = 90, β = 90, γ = 90 |
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| Cell volume | 1180.9 ų, Z = 16 |
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| Axial ratios | 1.0000:1:1.0000calculated from COD 1010952 |
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| Source structure | COD 1010952 (Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo 1: Matematisk- Naturvidenskapelig Klasse, 1928) — 1 of 3 structures |
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Powder X-ray diffraction (calculated)
| d (Å) | 3.051 | 1.869 | 2.643 | 1.593 | 1.212 | 2.825 |
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| I/I₀ | 100 | 38.7 | 36.7 | 32.7 | 9.1 | 8.6 |
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xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 1010952; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 10.276 g/cm³calculated from COD 1010952 |
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Chemistry (calculated)
| Molecular weight | 456.76 g/molcalculated from the IMA formula |
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| Composition (wt%) | Tl 89.49%, O 10.51% |
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Classification
| Nickel-Strunz (10th) | 4.CB.10Wikidata (CC0) |
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| Nickel-Strunz (9th) | 4.CB.10Wikidata (CC0) |
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