Hauerite
MnS2IMA symbol: Hrgrandfathered
Hauerite is a sulfide or sulfosalt mineral with the formula MnS2, crystallizing in the cubic system. It has a Mohs hardness of 4, typically black, brown or red in color, with an adamantine or metallic luster, a specific gravity of 3.463. Its streak is brown or red.
Photos
Crystallography
| Crystal system | cubic crystal systemWikidata (CC0) |
|---|---|
| Space group | P a -3 |
| Cell (Å, °) | a = 6.109, b = 6.109, c = 6.109; α = 90, β = 90, γ = 90 |
| Cell volume | 228 ų, Z = 4 |
| Axial ratios | 1.0000:1:1.0000calculated from COD 1011237 |
| Source structure | COD 1011237 (Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977), 1934) — 1 of 2 structures |
Powder X-ray diffraction (calculated)
| d (Å) | 3.054 | 1.842 | 2.16 | 2.732 | 2.494 | 1.176 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 64.8 | 46.7 | 32.1 | 31.8 | 31.4 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 1011237; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 3.469 g/cm³calculated from COD 1011237 |
|---|---|
| Hardness (Mohs) | 4single sourceDana, System of Mineralogy, 6th ed. (1892) |
| Specific gravity | 3.463 g/cm3corroboratedDana, System of Mineralogy, 6th ed. (1892) |
| Color | black, brown, redsingle sourceDana, System of Mineralogy, 6th ed. (1892) |
| Streak | brownsingle sourceWikidata (CC0) brown, redsingle sourceDana, System of Mineralogy, 6th ed. (1892) |
| Luster | adamantine, metallicsingle sourceDana, System of Mineralogy, 6th ed. (1892) |
Chemistry (calculated)
| Molecular weight | 119.07 g/molcalculated from the IMA formula |
|---|---|
| Composition (wt%) | Mn 46.14%, S 53.86% |
Classification
| Nickel-Strunz (10th) | 2.EB.05aWikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 2.EB.05aWikidata (CC0) |
| Dana (8th) | 2.12.1.9Wikidata (CC0) |