Vaesite
NiS2IMA symbol: Vagrandfathered
Vaesite is a sulfide or sulfosalt mineral with the formula NiS2, crystallizing in the cubic system. It has a calculated density of 4.437 g/cm3.
Crystallography
| Crystal system | cubic crystal systemWikidata (CC0) |
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| Space group | P a -3 |
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| Cell (Å, °) | a = 5.6865, b = 5.6865, c = 5.6865; α = 90, β = 90, γ = 90 |
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| Cell volume | 183.88 ų, Z = 4 |
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| Axial ratios | 1.0000:1:1.0000calculated from COD 9008392 |
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| Source structure | COD 9008392 (Zeitschrift fur Kristallographie, 1989) — 1 of 4 structures |
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Powder X-ray diffraction (calculated)
| d (Å) | 2.843 | 1.715 | 2.01 | 1.094 | 2.543 | 2.322 |
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| I/I₀ | 100 | 81.6 | 50.8 | 34.2 | 33.3 | 30.8 |
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xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9008392; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 4.437 g/cm³calculated from COD 9008392 |
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Chemistry (calculated)
| Molecular weight | 122.82 g/molcalculated from the IMA formula |
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| Composition (wt%) | Ni 47.79%, S 52.21% |
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Classification
| Nickel-Strunz (10th) | 2.EB.05aWikidata (CC0) |
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| Nickel-Strunz (9th) | 2.EB.05aWikidata (CC0) |
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