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
  Function Number
$(VO_4)^{3-}$ 3
Chemical bonds
  Bond Number
$\dddot - \dddot - \dddot - V \dddot - O^{-3/4}$ 4
Oxides
Formula $V_{2}O_{5}$ $PbO$ $Cl$
Mass fraction (%) 19.26 78.8 2.5
Oxides comments
-0.56 % -O=Cl2

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
Crystal system
hexagonal
Crystal class
dipyramidal
Crystal class symbol
6/m (C6h)
Crystal spacegroup
P6(3)/m
Texture
polycrystalline
Molar mass
1416.27 $g/mol$
Density
6.8 - 7.1 $g/cm^3$
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