Mineral Factbook

Getchellite

SbAsS3IMA symbol: Getapproved

Getchellite is a sulfide or sulfosalt mineral with the formula SbAsS3, crystallizing in the monoclinic system. It has a calculated density of 3.982 g/cm3. Its streak is vermilion.

Photos

Getchellite specimen photo
Oceancetaceen Alice Chodura · CC BY-SA 3.0 · Commons
Getchellite specimen photo
Strickja · Public domain · Commons
Getchellite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons
Getchellite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 21/a 1
Cell (Å, °)a = 11.949, b = 9.028, c = 10.13; α = 90, β = 116.15, γ = 90
Cell volume980.926 ų, Z = 8
Axial ratios1.3235:1:1.1221calculated from COD 9003449
Source structureCOD 9003449 (American Mineralogist, 2004) — 1 of 2 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)4.4172.8953.642.8012.8613.12
I/I₀10081.569.565.654.244.7

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9003449; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)3.982 g/cm³calculated from COD 9003449
Streak
vermilionsingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight292.88 g/molcalculated from the IMA formula
Composition (wt%)Sb 41.57%, As 25.58%, S 32.84%

Classification

Nickel-Strunz (10th)2.FA.35Wikidata (CC0)
Nickel-Strunz (9th)2.FA.35Wikidata (CC0)
Dana (8th)2.11.1.2Wikidata (CC0)