Fingerite Mineral Data

Fingerite Mineral Data +

General Fingerite Information

Chemical Formula:

Cu11(VO4)6O2

Composition:

Molecular Weight = 1,420.64 gm

Vanadium 21.51 % V 38.41 % V₂O₅

Copper 49.20 % Cu 61.59 % CuO

Oxygen 29.28 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu₁₁(VO₄)₆O₂

IMA Status:

Approved IMA 1985

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 201626

PDF 38-378

Search for Fingerite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Fingerite Crystallography

Axial Ratios:

a:b:c =0.9865:1:0.9727

Cell Dimensions:

a = 8.1576, b = 8.2691, c = 8.0437, Z = 1; alpha = 107.144°, beta = 91.389°, gamma = 106.441° V = 497.14 Den(Calc)= 4.74

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

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

By Intensity(I/I_o): 6.48(1), 3.042(0.8), 2.822(0.7),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Finger L W , American Mineralogist , 70 (1985) p.197-199, Fingerite Cu11O2(VO4)6: a new vanadium sublimate from Izalco Volcano, El, Salvador: crystal structure

Physical Properties of Fingerite

Color:

Black.

Density:

4.776

Diaphaniety:

Opaque

Luster:

Metallic

Streak:

dark red brown

Optical Properties of Fingerite

Optical Data:

NCalc= 2.12 - from Gladstone-Dale relationship (KC = 0.2353) where Ncalc=Dcalc*KC+1
NCalc= 2.12 - from Gladstone-Dale relationship (KC = 0.2353) where Ncalc=Dmeas*KC+1

Calculated Properties of Fingerite

Electron Density:

r_electron=4.44 gm/cc
note: r_Fingerite=4.74 gm/cc.

Fermion Index

Fermion Index = 0.00067
Boson Index = 0.99933

Photoelectric:

PE_Fingerite= 26.34 barns/electron
U=PE_Fingerite x r_electron= 116.88 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Fingerite is Not Radioactive

Fingerite Classification

Dana Class:

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

(41.11)with miscellaneous formulae

(41.11.3)Dana Group

41.11.3.1 Fingerite Cu11(VO4)6O2 P1 1

Strunz Class:

VII/B.07-20 VII - Phosphates, Arsenates and Vanadates

VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O,OH, cations of medium size: Mg, Mn, Fe, Cu, Zn, Pseudomalachite group and related compounds

VII/B.07 - Stoiberite - Fingerite series

VII/B.07-05 Coparsite! Cu4O2[(As,V)O4]Cl Pbcm 2/m 2/m 2/m

VII/B.07-10 Stoiberite Cu5V2O10 P 2₁/n 2/m

VII/B.07-15 Averievite! Cu5(VO4)2O2·CuCl2 P 3 3

VII/B.07-20 Fingerite Cu11(VO4)6O2 P1 1

VII/B.07-30 Urusovite! Cu[AlAsO5] P 2₁/c 2/m

Other Fingerite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Fingerite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

Search for Fingerite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Fingerite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Fingerite Mineral Data :

Ask about Fingerite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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

Fingerite

Cu11(VO4)6O2
Dana No: 41.11.3.1 Strunz No: VII/B.07-20
Locality:

Notes: