Abswurmbachite
Cu2+Mn3+6O8(SiO4)IMA symbol: Absapproved
Abswurmbachite is a silicate mineral with the formula Cu2+Mn3+6O8(SiO4), crystallizing in the tetragonal system. It has a Mohs hardness of 6.5, a calculated density of 4.934 g/cm3.
Crystallography
| Crystal system | tetragonal crystal systemWikidata (CC0) |
|---|---|
| Space group | I 41/a c d :2 |
| Cell (Å, °) | a = 9.406, b = 9.406, c = 18.546; α = 90, β = 90, γ = 90 |
| Cell volume | 1640.82 ų, Z = 8 |
| Axial ratios | 1.0000:1:1.9717calculated from COD 9009262 |
| Source structure | COD 9009262 (Neues Jahrbuch fur Mineralogie, Abhandlungen, 1991) |
Powder X-ray diffraction (calculated)
| d (Å) | 2.702 | 1.651 | 1.416 | 2.352 | 1.402 | 1.663 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 29.3 | 15.1 | 13.3 | 11.2 | 10.5 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9009262; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 4.934 g/cm³calculated from COD 9009262 |
|---|---|
| Hardness (Mohs) | 6.5single sourceWikidata (CC0) |
Classification
| Nickel-Strunz (10th) | 9.AG.05Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 9.AG.05Wikidata (CC0) |