Mineral Factbook

Djurleite

Cu31S16IMA symbol: Djuapproved

Djurleite is a sulfide or sulfosalt mineral with the formula Cu31S16, crystallizing in the monoclinic system. It has a calculated density of 5.742 g/cm3. Its streak is black.

Photos

Djurleite specimen photo
Parent Géry · CC BY-SA 3.0 · Commons
Djurleite specimen photo
Parent Géry · CC BY-SA 3.0 · Commons
Djurleite specimen photo
Parent Géry · CC BY-SA 3.0 · Commons
Djurleite specimen photo
Parent Géry · CC BY-SA 3.0 · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 21/n 1
Cell (Å, °)a = 26.897, b = 15.745, c = 13.565; α = 90, β = 90.13, γ = 90
Cell volume5744.67 ų, Z = 8
Axial ratios1.7083:1:0.8615calculated from COD 9008288
Source structureCOD 9008288 (Zeitschrift fur Kristallographie, 1979) — 1 of 2 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)1.961.8711.8731.9682.3942.391
I/I₀10054.150.34536.134.8

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9008288; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)5.742 g/cm³calculated from COD 9008288
Streak
blacksingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight2482.97 g/molcalculated from the IMA formula
Composition (wt%)Cu 79.34%, S 20.66%

Classification

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