Constituent Vanadinite - Pb5(VO4)3Cl | SSHADE

Constituent

Name: Vanadinite - Pb5(VO4)3Cl
IMA name: Vanadinite

Class: non-silicate mineral
Compound type: vanadate

Constituent abundance in material

Relevance: main - major
Arrangement: single phase
Mass fraction: 1.0

Chemical composition

Formula: $Pb_5(VO_4)_3Cl$
Chemical formula: Pb5(VO4)3Cl
Elemental formula: (Pb2+)5 V3 O3 (O-)9 (Cl-)
Isotope mixture type: terrestrial abundance

	Formula	Name	Family	Number min-max	Isotope mole fraction	State	Relevance
	$Pb^{2+}$	Lead cation	element	5		constituent cation	main
	$(VO_4)^{3-}$	Vanadate anion	chemical function	3		anionic radical	main
	$Cl^-$	Chloride anion	element	1		constituent anion	main

Chemical functions and bonds

Chemical functions

	Function	Number
	$(VO_4)^{3-}$	3

Chemical bonds

	Bond	Number
	$\dddot - \dddot - \dddot - V \dddot - O^{-3/4}$	4

Oxides composition

Oxides

Formula	$V_{2}O_{5}$	$PbO$	$Cl$
Mass fraction (%)	19.26	78.8	2.5

Oxides comments

-0.56 % -O=Cl2

Classifications

Strunz

Class: phosphates - arsenates - vanadates (08)
Division: phosphates, etc. with additional anions, without H2O (08.B)
Family: with only large cations, (OH, etc.):RO4 = 0.33:1 (08.BN)
Code: 08.BN.05

Dana

Major class: phosphates, arsenates, vanadates (VII)
Class: anhydrous phosphates containing hydroxyl or halogen (41)
Type: where (A)5 (XO4)3 Zq (41.08)
Group: Pyromorphite group (41.08.04)
Code: 41.08.04.03

Phase type: crystalline

Crystallography

Crystal system: hexagonal
Crystal class: dipyramidal
Crystal class symbol: 6/m (C6h)
Crystal spacegroup: P6(3)/m

Texture: polycrystalline

Physical properties

Molar mass: 1416.27 $g/mol$
Density: 6.8 - 7.1 $g/cm^3$

Optical properties

Refringence type: uniaxial
Refringence sign: negative
Birefringence: 0.0660
Refraction index $n_{\alpha}$: 2.416
Refraction index $n_{\beta}$: 2.35
Color: brown, brownish yellow, brown red, colorless, yellow
Diaphaneity: subtranslucent to opaque
Luster: adamantine