Mineral Factbook

Spertiniite

Cu(OH)2IMA symbol: Sniapproved

Spertiniite is an oxide or hydroxide mineral with the formula Cu(OH)2. It has a calculated density of 3.949 g/cm3.

Photos

Spertiniite specimen photo
Henk Smeets – tomeikminerals.com · CC BY 4.0 · Commons
Spertiniite specimen photo
Leon Hupperichs · CC BY-SA 3.0 · Commons

Crystallography

Space groupC m c 21
Cell (Å, °)a = 2.9471, b = 10.593, c = 5.2564; α = 90, β = 90, γ = 90
Cell volume164.098 ų, Z = 4
Axial ratios0.2782:1:0.4962calculated from COD 9007849
Source structureCOD 9007849 (Acta Crystallographica, Section C, 1990) — 1 of 3 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)3.7315.2962.2632.6281.7152.498
I/I₀10079.370.870.649.442.6

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9007849; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)3.949 g/cm³calculated from COD 9007849

Chemistry (calculated)

Molecular weight97.56 g/molcalculated from the IMA formula
Composition (wt%)Cu 65.13%, O 32.8%, H 2.07%

Classification

Nickel-Strunz (10th)4.FD.05Wikidata (CC0)
Nickel-Strunz (9th)4.FD.05Wikidata (CC0)