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
	$R-OH$	2

Chemical bonds

	Bond	Number
	$V-O$	8
	$-O-H$	2

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

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

Pure color

yellow

Color

yellow

Diaphaneity

transparent

Luster

vitreous

Links

• MinDAT: Rossite
• WebMineral: Rossite