Mineralogy Database

Urusovite Mineral Data

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General Urusovite Information

Help on Chemical  Formula: Chemical Formula: Cu[AlAsO5]
Help on Composition: Composition: Molecular Weight = 245.45 gm
   Aluminum  10.99 %  Al   20.77 % Al2O3
   Copper    25.89 %  Cu   29.15 % Cu2O
   Arsenic   30.52 %  As   46.82 % As2O5
   Oxygen    32.59 %  O
            ______        ______ 
            100.00 %       96.74 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CuAlAsO5
Help on Environment: Environment: Found in a fumarole with a gas temperature of 410-420 deg C at the time of collection.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: In a fumarole at the Great fissure Tolbachik eruption, Kamchatka, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name honors Vadim Sergeevich Urusov of Moscow State University, Russia.
Help on Synonym: Synonym: IMA1998-067

Urusovite Image

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Comments: Green urusovite grain.
Location: Northern Breakthrough, Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: Crystal length 0.7 mm.
© Thomas Witzke / Abraxas-Verlag

Urusovite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7154:1:0.5454
Help on Cell Dimensions: Cell Dimensions: a = 7.314, b = 10.223, c = 5.576, Z = 4; beta = 99.79° V = 410.85 Den(Calc)= 3.97
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.2(1)(100), 4.844(0.9)(011), 2.458(0.8)(211),2.656(0.6), 4.327(0.23)(111), 3.125(0.2)(211), 3.174(0.1)(121), 3.604(0.1)(200),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

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

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Physical Properties of Urusovite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Light green.
Help on Diaphaneity: Diaphaneity: Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Urusovite

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.052 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1773,KC= 0.1871
Ncalc = 1.74
Help on Optical Data: Optical Data: Biaxial (-), a=1.672, b=1.718, g=1.722, bire=0.0500

Calculated Properties of Urusovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.72 gm/cc
note: Specific Gravity of Urusovite =3.97 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001564439
Boson Index = 0.9998435561
Help on Photoelectric: Photoelectric: PEUrusovite = 33.05 barns/electron
U=PEUrusovite x rElectron Density= 122.95 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Urusovite is Not Radioactive

Urusovite Classification

Help on  Dana Class: Dana Class: (38)Anhydrous Phosphates, etc
  (38.05)with miscellaneous formulae
  (38.05.09)Dana Group Namibite CuBi2(VO4)O2 C 2/m,Cm,C 2 Mono Urusovite! Cu[AlAsO5] P 21/c 2/m
Help on  Strunz Class: Strunz Class: 08.BB.60 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.60 Urusovite! Cu[AlAsO5] P 21/c 2/m

Other Urusovite Information

Help on References: References: NAME( AmMin, v 86, p 767) PHYS. PROP.(AmMin, v 86, p 767) OPTIC PROP.(AmMin, v 86, p 767)
Help on See Also: See Also: Links to other databases for Urusovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 08.BB.60





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