Anilite

Cu₇S₄IMA symbol: Aniapproved

Anilite is a sulfide or sulfosalt mineral with the formula Cu7S4, crystallizing in the orthorhombic system. It has a calculated density of 5.589 g/cm3.

Photos

Anilite specimen photo — Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Crystallography

Crystal system	orthorhombic crystal systemWikidata (CC0)
Space group	P n m a
Cell (Å, °)	a = 7.89, b = 7.84, c = 11.01; α = 90, β = 90, γ = 90
Cell volume	681.052 Å³, Z = 4
Axial ratios	1.0064:1:1.4043calculated from COD 9007514
Source structure	COD 9007514 (Acta Crystallographica, Section B, 1970)

Powder X-ray diffraction (calculated)

d (Å)	1.956	2.781	2.166	3.356	2.696	1.96
I/I₀	100	55.5	49.2	43.3	38.5	38.2

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9007514; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)	5.589 g/cm³calculated from COD 9007514

Chemistry (calculated)

Molecular weight	573.08 g/molcalculated from the IMA formula
Composition (wt%)	Cu 77.62%, S 22.38%

Classification

Nickel-Strunz (10th)	2.BA.10Wikidata (CC0)
Nickel-Strunz (9th)	2.BA.05fWikidata (CC0)