Vanadinite Mineral Data

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.

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]

Warning: this large pop-up is very compute intensive and may not work well with some computers.

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

Diaphaniety:

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:

None.

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

Optical Data:

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

Calculated Properties of Vanadinite

Electron Density:

r_electron=5.81 gm/cc
note: r_Vanadinite=6.95 gm/cc.

Fermion Index

Fermion Index = 0.16199
Boson Index = 0.83801

Photoelectric:

PE_Vanadinite=1,345.77 barns/electron
U=PE_Vanadinite x r_electron=7,819.15 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Vanadinite is Not Radioactive

Vanadinite Classification

Dana Class:

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

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

(41.8.4)Dana Group

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

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

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

Strunz Class:

VII/B.39-170 VII - Phosphates, Arsenates and Vanadates

VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb

VII/B.39 - Apatite - Pyromorphite group

VII/B.39-10 Fluorapatite Ca5(PO4)3F P 6₃/m 6/m

VII/B.39-20 Chlorapatite Ca5(PO4)3Cl P 6₃/m 6/m

VII/B.39-30 Hydroxylapatite Ca5(PO4)3(OH) P 6₃/m 6/m

VII/B.39-40 Carbonate-hydroxylapatite Ca5(PO4,CO3)3(OH) P 6₃/m 6/m

VII/B.39-50 Carbonate-fluorapatite Ca5(PO4,CO3)3F P 6₃/m 6/m

VII/B.39-60 Svabite Ca5(AsO4)3F P 6₃/m 6/m

VII/B.39-70 Turneaureite Ca5[(As,P)O4]3Cl P 6₃/m 6/m

VII/B.39-80 Johnbaumite Ca5(AsO4)3(OH) P 6₃/m,P 6₃ Hex

VII/B.39-90 Fermorite (Ca,Sr)5(AsO4,PO4)3(OH) P 6₃/m 6/m

VII/B.39-95 Fluorcaphite! (Ca,Sr,Ce,Na)5(PO4)3F P 6₃ 6

VII/B.39-100 Strontium-apatite (Sr,Ca)5(PO4)3(F,OH) P 6₃/m 6/m

VII/B.39-110 Belovite-(Ce) (Sr,Ce,Na,Ca)5(PO4)3(OH) P 3 3

VII/B.39-115 Belovite-(La)! (Sr,La,Ce,Ca)5(PO4)3(F,OH) P 3 3

VII/B.39-117 Kuannersuite-(Ce)! Ba6Na2REE2(PO4)6FCl P 3 3

VII/B.39-120 Alforsite Ba5(PO4)3Cl P 6₃/m 6/m

VII/B.39-130 Morelandite (Ba,Ca,Pb)5(AsO4,PO4)3Cl P 6₃/m,P 6₃ Hex

VII/B.39-140 Hedyphane Ca2Pb3(AsO4)3Cl P 6₃/m 6/m

VII/B.39-150 Pyromorphite Pb5(PO4)3Cl P 6₃/m 6/m

VII/B.39-160 Mimetite Pb5(AsO4)3Cl P 6₃/m 6/m

VII/B.39-165 Clinomimetite Pb5(AsO4)3Cl P 2₁/b 2/m

VII/B.39-170 Vanadinite Pb5(VO4)3Cl 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 - Glendale Community College
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 - MinDAT
13 - MinMax(Deutsch)
14 - MinMax(English)
15 - Mineral and Gemstone Kingdom
16 - Mineralienatlas (Deutsch)
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: 41.8.4.3 Strunz No: VII/B.39-170
Locality:

Notes: