Vanadinite Mineral Data

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General Vanadinite Information

Chemical Formula:

Pb5(VO4)3Cl

Composition:

Molecular Weight = 1,416.27 gm

Vanadium 10.79 % V 19.26 % V₂O₅

Lead 73.15 % Pb 78.80 % PbO

Chlorine 2.50 % Cl 2.50 % Cl

- % Cl -0.56 % -O=Cl₂

Oxygen 13.56 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Pb₅(VO₄)₃Cl

Environment:

Oxidized lead ores.

IMA Status:

Valid Species (Pre-IMA) 1839

Locality:

Zimapan, Hildalgo, Mexico Link to MinDat.org Location Data.

Name Origin:

Named for its vanadium content.

Name Pronunciation:

Vanadinite + Pronunciation

Synonym:

Endlichite(As)

ICSD 203074

PDF 43-1461

Vanadinite Image

Images:

Vanadinite

Comments: Tabular, hexagonal crystals of vanadinite.
Location: Mibladen, Midelt, Morocco. Scale: 3 x 2.5 cm.
© Fabre Minerals

Vanadinite Crystallography

Axial Ratios:

a:c = 1:0.71077

Cell Dimensions:

a = 10.331, c = 7.343, Z = 2; V = 678.72 Den(Calc)= 6.93

Crystal System:

Hexagonal - DipyramidalH-M Symbol (6/m) Space Group: P 6₃/m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.988(1), 3.068(0.85), 3.384(0.6),

Forms:

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Forms: ( 0 1 0) ( 0 0 1)

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Crystal Structure:

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Trotter J , Barnes W H , The Canadian Mineralogist , 6 (1958) p.161-173, The structure of vanadinite

View Additional jPOWD Structure files for Vanadinite
[1]

Physical Properties of Vanadinite

Cleavage:

None

Color:

Brown, Brownish yellow, Brown red, Colorless, Yellow.

Density:

6.8 - 7.1, Average = 6.94

Diaphaneity:

Subtranslucent to opaque

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).

Habit:

Nodular - Tuberose forms having irregular protuberances over the surface.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

3.5-4 - Copper Penny-Fluorite

Luminescence:

Non-fluorescent.

Luster:

Adamantine

Streak:

brownish yellow

Optical Properties of Vanadinite

Dichroism (e):

light.

Dichroism (w):

darker.

Gladstone-Dale:

CI meas= -0.117 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.12 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1996,KPDmeas= 0.199,KC= 0.1782
Ncalc = 2.21 - 2.27

Optical Data:

Uniaxial (-), e=2.35, w=2.416, bire=0.0660.

Calculated Properties of Vanadinite

Electron Density:

Bulk Density (Electron Density)=5.81 gm/cc
note: Specific Gravity of Vanadinite =6.95 gm/cc.

Fermion Index:

Fermion Index = 0.16
Boson Index = 0.84

Photoelectric:

PE_Vanadinite=1,345.76 barns/electron
U=PE_Vanadinite x rElectron Density=7,819.15 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vanadinite is Not Radioactive

Vanadinite Classification

Dana Class:

41.08.04.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen

(41.08)where (A)5 (XO4)3 Zq

(41.08.04)Pyromorphite Group

41.08.04.01 Pyromorphite Pb5(PO4)3Cl P 6₃/m 6/m

41.08.04.02 Mimetite Pb5(AsO4)3Cl P 6₃/m 6/m

41.08.04.03 Vanadinite Pb5(VO4)3Cl P 6₃/m 6/m

41.08.04.04 Hydroxylpyromorphite! Pb5(PO4)3OH P 6₃/m 6/m

Strunz Class:

08.BN.05 08 - PHOSPHATES, ARSENATES, VANADATES

08.B - Phosphates, etc. with Additional Anions, without H2O

08.BN -With only large cations, (OH, etc.):RO4 = 0.33:1

08.BN.05 Alforsite Ba5(PO4)3Cl P 6₃/m 6/m

08.BN.05 Apatite* Ca5(PO4)3(OH,F,Cl) P 6₃/m 6/m

08.BN.05 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3

08.BN.05 Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3

08.BN.05 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 6₃/m 6/m

08.BN.05 Deloneite-(Ce)! NaCa2SrCe(PO4)3F P 3 3

08.BN.05 Johnbaumite Ca5(AsO4)3(OH) P 6₃/m,P 6₃ Hex

08.BN.05 Apatite-(CaOH) Ca5(PO4)3(OH) P 6₃/m 6/m

08.BN.05 Apatite-(CaCl) Ca5(PO4)3Cl P 6₃/m 6/m

08.BN.05 Carbonate-fluorapatite? Ca5(PO4,CO3)3F P 6₃/m 6/m

08.BN.05 Carbonate-hydroxylapatite? Ca5(PO4,CO3)3(OH) P 6₃/m 6/m

08.BN.05 Clinomimetite Pb5(AsO4)3Cl P 2₁/b 2/m

08.BN.05 Apatite-(CaF) Ca5(PO4)3F P 6₃/m 6/m

08.BN.05 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 6₃ 6

08.BN.05 Hedyphane Ca2Pb3(AsO4)3Cl P 6₃/m 6/m

08.BN.05 Mimetite Pb5(AsO4)3Cl P 6₃/m 6/m

08.BN.05 Apatite-(SrOH) (Sr,Ca)5(PO4)3(F,OH) P 6₃/m 6/m

08.BN.05 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 6₃/m,P 6₃ Hex

08.BN.05 Pyromorphite Pb5(PO4)3Cl P 6₃/m 6/m

08.BN.05 Vanadinite Pb5(VO4)3Cl P 6₃/m 6/m

08.BN.05 Apatite-(CaOH)-M! (Ca,Na)5[(P,S)O4]3(OH,Cl) P 2₁/b 2/m

08.BN.05 IMA2008-068! Ca2Pb3(PO4)3F P 6₃/m 6/m

08.BN.05 Svabite Ca5(AsO4)3F P 6₃/m 6/m

08.BN.05 Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3

08.BN.05 Turneaureite Ca5[(As,P)O4]3Cl P 6₃/m 6/m

08.BN.05 Phosphohedyphane! Ca2Pb3(PO4)3Cl P 6₃/m 6/m

08.BN.05 IMA2008-009! Sr5(PO4)3F P 6₃/m 6/m 2/m 2/m

08.BN.05 Hydroxylpyromorphite! Pb5(PO4)3OH P 6₃/m 6/m

Other Vanadinite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Mason68)

See Also:

Links to other databases for Vanadinite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Glendale Community College
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - Handbook of Mineralogy (UofA)
12 - HyperPhysics
13 - MinDAT
14 - Mineral and Gemstone Kingdom
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - WWW-MINCRYST
20 - YupRocks
21 - theimage

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Print or Cut-and-Paste your Vanadinite Specimen Label here :

Vanadinite

Pb5(VO4)3Cl
Dana No: 41.08.04.03 Strunz No: 08.BN.05
Locality:

Notes: