Constituent
Name
CoSO4.H2O
Official name
Cobalt(II) sulfate hydrates
Family
ionic solid
Class
normal salt
Compound type
sulfate
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
$Fe^{2+} \cdot SO_4^{2-} \bullet n(H_2O)$
Chemical formula
CoSO4•n(H2O)
Elemental formula
(Co2+) S (O)3-9 (O-)2 (H)2-14
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Co^{2+}$ Cobaltous cation element 1 0.16666666666666666 1 constituent cation main
$(SO_4)^{2-}$ Sulfate anion chemical function 1 0.16666666666666666 1 anionic radical main
$H_2O$ Water molecule 1 - 7 0.6666666666666666 $\pm$ 0.5 1 hydration main
Chemical functions
  Function Number Relevance
$(SO_4)^{2-}$ 1
$R-OH$ 2 main
Chemical bonds
  Bond Number Relevance
$\cdot Co^{2+} \cdot O^{-}-$ 2
$-O \dots H-$ n
$-O-H$ 2 main
$\dddot - \dddot - \dddot - S \dddot - O^{-1/2}$ 4
Class
normal salts (07)
Type
hydrated simple normal salts (07.04)
Group
sulfate (07.01.09)
Phase type
crystalline
Crystal system
various
Crystal class
various
Crystal class symbol
various
Crystal spacegroup
various
Texture
polycrystalline
Molar mass
173.01 - 281.103 $g/mol$
Density
3.075 - 1.948 $g/cm^3$
Refringence type
biaxial
Refraction index $n_{\alpha}$
1.639 - 1.483
Color
reddish, pink
Diaphaneity
various
Luster
various