Pyroxferroite
Fe2+SiO3IMA symbol: Pxfapproved
Pyroxferroite is a silicate mineral with the formula Fe2+SiO3, crystallizing in the triclinic system. It has a calculated density of 3.843 g/cm3. Its streak is white.
Photos
Crystallography
| Crystal system | triclinic crystal systemWikidata (CC0) |
|---|---|
| Space group | P -1 |
| Cell (Å, °) | a = 6.6213, b = 7.5506, c = 17.3806; α = 114.267, β = 82.684, γ = 94.576 |
| Cell volume | 785.349 ų, Z = 2 |
| Axial ratios | 0.8769:1:2.3019calculated from COD 9012889 |
| Source structure | COD 9012889 (Proceedings of the Second Lunar Science Conference, 1971) |
Powder X-ray diffraction (calculated)
| d (Å) | 2.675 | 2.943 | 2.928 | 2.156 | 3.095 | 4.679 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 81.9 | 50.2 | 36.1 | 35.1 | 33.9 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9012889; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 3.843 g/cm³calculated from COD 9012889 |
|---|---|
| Streak | whitesingle sourceWikidata (CC0) |
Classification
| Nickel-Strunz (10th) | 9.DO.05Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 9.DO.05Wikidata (CC0) |