Stibiconite
Sb3+Sb5+2O6(OH)IMA symbol: Sbcquestionable
Stibiconite is an oxide or hydroxide mineral with the formula Sb3+Sb5+2O6(OH), crystallizing in the cubic system. It has a Mohs hardness of 4.5-5, typically white, red or yellow in color, with an earthy or pearly luster, a specific gravity of 5.1-5.28.
Photos
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Crystallography
| Crystal system | cubic crystal systemWikidata (CC0) |
|---|---|
| Space group | F d -3 m :2 |
| Cell (Å, °) | a = 10.28, b = 10.28, c = 10.28; α = 90, β = 90, γ = 90 |
| Cell volume | 1086.37 ų, Z = 8 |
| Axial ratios | 1.0000:1:1.0000calculated from COD 9009785 |
| Source structure | COD 9009785 (Zeitschrift fur Anorganische und Allgemeine Chemie, 1937) — 1 of 2 structures |
Powder X-ray diffraction (calculated)
| d (Å) | 2.968 | 1.817 | 1.55 | 2.57 | 5.935 | 1.179 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 51.6 | 41.7 | 26.2 | 18.5 | 17 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9009785; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 5.836 g/cm³calculated from COD 9009785 |
|---|---|
| Hardness (Mohs) | 4.5-5single sourceDana, System of Mineralogy, 6th ed. (1892) |
| Specific gravity | 5.1-5.28 g/cm3single sourceDana, System of Mineralogy, 6th ed. (1892) |
| Color | red, white, yellowsingle sourceDana, System of Mineralogy, 6th ed. (1892) |
| Luster | earthy, pearlysingle sourceDana, System of Mineralogy, 6th ed. (1892) |
Classification
| Nickel-Strunz (10th) | 4.DH.20Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 4.DH.20Wikidata (CC0) |
| Dana (8th) | 44.1.1.1Wikidata (CC0) |