Mineral Factbook

Spherocobaltite

Co(CO3)IMA symbol: Scbtredefined

Spherocobaltite is a carbonate or nitrate mineral with the formula Co(CO3), crystallizing in the trigonal system. It has a calculated density of 4.208 g/cm3. Its streak is pink.

Photos

Spherocobaltite specimen photo
Simeon87 · CC BY-SA 3.0 · Commons
Spherocobaltite specimen photo
Darla Sondrol · CC0 · Commons
Spherocobaltite specimen photo
Sailko · CC BY 3.0 · Commons
Spherocobaltite specimen photo
Sailko · CC BY 3.0 · Commons

Crystallography

Crystal systemtrigonal crystal systemWikidata (CC0)
Space groupR -3 c :H
Cell (Å, °)a = 4.6618, b = 4.6618, c = 14.963; α = 90, β = 90, γ = 120
Cell volume281.616 ų, Z = 6
Axial ratios1.0000:1:3.2097calculated from COD 9007713
Source structureCOD 9007713 (Acta Crystallographica, Section C, 1986) — 1 of 2 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)2.7443.5531.7032.3311.9491.697
I/I₀10041.632.123.221.820

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9007713; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)4.208 g/cm³calculated from COD 9007713
Streak
pinksingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight118.94 g/molcalculated from the IMA formula
Composition (wt%)Co 49.55%, C 10.1%, O 40.35%

Classification

Nickel-Strunz (10th)5.AB.05Wikidata (CC0)
Nickel-Strunz (9th)5.AB.05Wikidata (CC0)