Constituent
Name
Rossite mineral of V(V), CaV2O6.H2O
IMA name
Rossite
Class
non-silicate mineral
Compound type
vanadate
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Chemical composition
Formula
$Ca(VO_3)_2 \bullet 4(H_2O)$
Chemical formula
CaV2O6•4(H2O)
Elemental formula
(Ca2+) V2 O10 H8
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Isotope mole fraction State Relevance
$Ca^{2+}$ Calcium cation element 1 constituent cation main
$V$ Vanadium element 2 constituent element main
$O$ Oxygen element 6 constituent element main
$H_2O$ Water molecule 4 hydration main
Chemical functions
  Function Number Relevance
$R-OH$ 2 main
Chemical bonds
  Bond Number Relevance
$V-O$ 8
$-O-H$ 2 main
Oxides
Formula $CaO$ $V_{2}O_{5}$ $H_{2}O$
Mass fraction (%) 18.09 58.67 23.24

Strunz

Class
oxides - hydroxides - arsenites (04)
Division
V[5+,6+] vanadates (04.H)
Family
Inovanadates (04.HD)
Code
04.HD.05

Dana

Major class
phosphates, arsenates, vanadates (VII)
Class
vanadium oxysalts (47)
Type
Normal Anhydrous (47.01)
Group
Munirite group (47.01.01)
Code
47.01.01.01
Phase type
crystalline
Crystal system
triclinic
Crystal class
pinacoidal
Crystal class symbol
-1 (Ci)
Crystal spacegroup
P-1
Texture
polycrystalline
Molar mass
310.02 $g/mol$
Density
2.45 $g/cm^3$
Refringence type
biaxial
Refringence sign
negative
Birefringence
0.130
Refraction index $n_{\alpha}$
1.71
Refraction index $n_{\beta}$
1.77
Refraction index $n_{\gamma}$
1.84
Dispersion V
relatively strong
Color
yellow
Diaphaneity
transparent
Luster
vitreous