Botallackite
Cu2Cl(OH)3IMA symbol: Blkgrandfathered
Botallackite is a halide mineral with the formula Cu2Cl(OH)3. It has a calculated density of 3.608 g/cm3.
Crystallography
| Space group | P 1 21/m 1 |
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| Cell (Å, °) | a = 5.7165, b = 6.1182, c = 5.6283; α = 90, β = 93.1161, γ = 90 |
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| Cell volume | 196.557 ų, Z = 2 |
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| Axial ratios | 0.9343:1:0.9199calculated from COD 9017807 |
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| Source structure | COD 9017807 (Physical Review B - Condensed Matter, 2005) — 1 of 2 structures |
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Powder X-ray diffraction (calculated)
| d (Å) | 5.708 | 2.407 | 2.577 | 2.687 | 2.854 | 1.931 |
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| I/I₀ | 100 | 40.2 | 25.1 | 16.2 | 12.4 | 12.3 |
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xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9017807; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 3.608 g/cm³calculated from COD 9017807 |
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Chemistry (calculated)
| Molecular weight | 213.57 g/molcalculated from the IMA formula |
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| Composition (wt%) | Cu 59.51%, Cl 16.6%, O 22.47%, H 1.42% |
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Classification
| Nickel-Strunz (10th) | 3.DA.10bWikidata (CC0) |
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| Nickel-Strunz (9th) | 3.DA.10bWikidata (CC0) |
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