Averievite Mineral Data

Averievite Mineral Data
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General Averievite Information

Help on Chemical Formula: Chemical Formula: Cu5(VO4)2O2•CuCl2
Help on Composition: Composition: Molecular Weight = 714.06 gm
   Vanadium  14.27 %  V    25.47 % V2O5
   Copper    53.40 %  Cu   66.84 % CuO
   Chlorine   9.93 %  Cl    9.93 % Cl
               -   %   Cl   -2.24 % -O=Cl2   
   Oxygen    22.41 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu6(VO4)2O2Cl2
Help on Environment: Environment: Fumarole deposits. Related to stoiberite.
Help on IMA Status: IMA Status: Approved IMA 1997 (Dana # Added)
Help on Locality: Locality: The Second North Fracture cone of the Main Tolbachik Fracture Eruption, Kamchatka, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Name for V. V. Averiev (1929-1968), Russian volcanologist.
Help on Name Pronunciation: Name Pronunciation: Averievite + Pronunciation Say AVERIEVITE
Help on Synonym: Synonym: IMA1995-027
 

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Averievite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.31749
Help on Cell Dimensions: Cell Dimensions: a = 6.375, c = 8.399, Z = 1; V = 295.61 Den(Calc)= 4.01
Help on Crystal System: Crystal System: Trigonal - PyramidalH-M Symbol (3) Space Group: P 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.315(1), 3.43(0.7), 2.81(0.4),
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Forms: ( 1 0 0) ( 0 1 0) ( 0 0 1)

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Starova G L , Krivovichev S V , Fundamensky V S , Filatov S K , Mineralogical Magazine , 61 (1997) p.441-446, The crystal structure of averievite, Cu5O2(VO4)2*nMX:, comparison with related compounds, Note: Coordinates for O6 added to the dataset by Krivovichev Aug 2005, Locality: Main Tolbachik Fracture Eruption of Kamchatka

 

Physical Properties of Averievite

Help on Cleavage: Cleavage: {100} Good
Help on Color: Color: Black.
Help on Density: Density: 3.54 - 3.97, Average = 3.75
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Resinous - Metallic
Help on Streak: Streak: black
 

Optical Properties of Averievite

Help on Optical Data: Optical Data: NCalc= 1.93 - from Gladstone-Dale relationship (KC = 0.2316) where Ncalc=Dcalc*KC+1
NCalc= 1.87 - from Gladstone-Dale relationship (KC = 0.2316) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Averievite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.75 gm/cc
note: Specific Gravity of Averievite =4.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0004642542
Boson Index = 0.9995357458
Help on Photoelectric: Photoelectric: PEAverievite = 27.49 barns/electron
U=PEAverievite x rElectron Density= 103.14 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Averievite is Not Radioactive
 

Averievite Classification
Help on Dana Class: Dana Class: 41.04.05.02 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.04)where (A B)5 (XO4)2 Zq
  (41.04.05)Dana Group
 
41.04.05.01 Stoiberite Cu5V2O10 P 21/n 2/m
 
41.04.05.02 Averievite! Cu5(VO4)2O2•CuCl2 P 3 3
Help on Strunz Class: Strunz Class: 08.BB.85 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BB -With only medium-sized cations, (OH, etc.):RO4 £ 1:1
 
08.BB.85 Averievite! Cu5(VO4)2O2•CuCl2 P 3 3
 

Other Averievite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Min.Mag.,Vol.61,p441-446,1997)
Help on See Also: See Also: Links to other databases for Averievite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - Handbook of Mineralogy (UofA)
7 - MinDAT
8 - MinMax(Deutsch)
9 - MinMax(English)
10 - Mineralienatlas (Deutsch)
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Averievite

Cu5(VO4)2O2•CuCl2
Dana No: 41.04.05.02 Strunz No: 08.BB.85
Locality:

 

Notes: