Polarite
Pd(Bi,Pb)IMA symbol: Plrapproved
Polarite is a sulfide or sulfosalt mineral with the formula Pd(Bi,Pb), crystallizing in the orthorhombic system. It has a calculated density of 12.779 g/cm3. Its streak is white.
Photos
Crystallography
| Crystal system | orthorhombic crystal systemWikidata (CC0) |
|---|---|
| Space group | C c m 21 |
| Cell (Å, °) | a = 7.15, b = 8.681, c = 10.535; α = 90, β = 90, γ = 90 |
| Cell volume | 653.898 ų, Z = 8 |
| Axial ratios | 0.8236:1:1.2136calculated from COD 9012389 |
| Source structure | COD 9012389 (Journal of the Less-Common Metals, 1979) — 1 of 2 structures |
Powder X-ray diffraction (calculated)
| d (Å) | 2.669 | 2.17 | 2.634 | 2.505 | 2.17 | 2.252 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 45.9 | 33.8 | 32 | 27.9 | 22.2 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9012389; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 12.779 g/cm³calculated from COD 9012389 |
|---|---|
| Streak | whitesingle sourceWikidata (CC0) |
Classification
| Nickel-Strunz (10th) | 2.AC.40Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 2.AC.40Wikidata (CC0) |