Mineral phase
IMA name
Spherocobaltite
Secondary names
Sphaerocobaltite; Cobaltocalcite; Cobalt carbonate; Co carbonate
IMA Code
Scbt
Class
non-silicate mineral
Compound type
carbonate
Formula
CoCO3
Chemical formula
CoCO3
Elemental formula
(Co2+) C O (O-)2
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
Co2+ Cobaltous cation element 1 constituent cation main
(CO3)2 Carbonate anion chemical function 1 anionic radical main
Chemical functions
  Function Number
(CO3)2 1
Chemical bonds
  Bond Number
Co2+O 2
3
Oxides
Formula CoO CO_{2}
Mass fraction (%) 63.0 37.0

Strunz

Class
carbonates - nitrates (05)
Division
carbonates without additional anions, without H2O (05.A)
Family
Alkali-earth (and other M2+) carbonates (05.AB)
Code
05.AB.05

Dana

Major class
carbonates, nitrates, borates (V)
Class
anhydrous carbonates (14)
Type
with simple formula A+CO3 (14.01)
Group
Calcite group (Trigonal: R-3c) (14.01.01)
Code
14.01.01.05
Phase type
crystalline
Crystal system
trigonal
Crystal class
ditrigonal-scalenohedral
Crystal class symbol
-3m (D3d)
Crystal spacegroup
R-3c
Molar mass
118.94 g/mol
Density
4.13 (calc.: 4.21) g/cm^3
State NTP
solid
Refringence type
uniaxial
Refringence sign
negative
Birefringence
0.255
Refraction index n_o (w)
1.855
Refraction index n_e (e)
1.6
Pure color
pink
Color
gray brown, pink, black, rose red
Diaphaneity
transparent to translucent
Luster
vitreous