Tugarinovite Mineral Data

Tugarinovite Mineral Data
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General Tugarinovite Information

Help on Chemical Formula: Chemical Formula: MoO2
Help on Composition: Composition: Molecular Weight = 127.94 gm
   Molybdenum  74.99 %  Mo  100.00 % MoO2
   Oxygen      25.01 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: MoO2
Help on Environment: Environment: Formed as a primary mineral, by metasomatism in a reducing environment deficient in sulfur.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Kudraivy Volcano, Kurile Islands, Eastern Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Aleksei Ivanovich Tugarinov (1947-), geochemist, Vernadskii Institute, Moscow, Russia.
Help on Name Pronunciation: Name Pronunciation: Tugarinovite + Pronunciation Say TUGARINOVITE
Help on Synonym: Synonym: ICSD 80830
  PDF 32-671
 

Tugarinovite Image

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Tugarinovite

Comments: Black shining short-prismatic crystals of tugarinovite on whitish anhydrite with minor blue ilsemannite.
Location: Kudriavy (Kudryavyi) volcano, Iturup Island, Kuril Islands, Sakhalinskaya Oblast', Far-Eastern Region, Russia. Scale: FOV is 2x1 mm.
© Pavel M. Kartashov

Tugarinovite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.1597:1:1.1431
Help on Cell Dimensions: Cell Dimensions: a = 5.59, b = 4.82, c = 5.51, Z = 4; beta = 119.533° V = 129.17 Den(Calc)= 6.58
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.29(1), 1.703(0.8), 2.412(0.8),
Click Here for Large Tugarinovite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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I - Data Info
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Wyckoff R W G , Crystal Structures , 1 (1963) p.239-444, Second edition. Interscience Publishers, New York, New York

 

Physical Properties of Tugarinovite

Help on Color: Color: Violet brown.
Help on Diaphaneity: Diaphaneity: Semitransparent
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Hardness: Hardness: 4.6
Help on Luster: Luster: Resinous - Greasy
Help on Streak: Streak: greenish gray
 

Optical Properties of Tugarinovite

Help on Optical Data: Optical Data: Biaxial (?)
 
Help on RL Anisotrophism: RL Anisotrophism: Light gray to dark pink; pale yellow to bluish olive-brown.
Help on RL Bireflectance: RL Bireflectance: Observed.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Tugarinovite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 440 nm   16.80   27.50 
   
 460 nm   15.50   24.90 
 480 nm   14.90   23.10 
 500 nm   14.60   21.70 
 520 nm   14.50   20.90 
 540 nm   14.70   20.30 
 560 nm   16.20   19.90 
 580 nm   19.70   18.70 
 600 nm   21.30   19.60 
 620 nm   24.60   19.60 
 640 nm   27.60   19.90 
 660 nm   30.70   19.60 
 680 nm   33.90   21.70 
 700 nm   37.20   23.30 
Calculated Relative Intensity Colors of Tugarinovite in Air
Relative
Intensity		    0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540% 570%
R1                        
R2                        
 

Calculated Properties of Tugarinovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.97 gm/cc
note: Specific Gravity of Tugarinovite =6.58 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.19
Boson Index = 0.81
Help on Photoelectric: Photoelectric: PETugarinovite = 126.44 barns/electron
U=PETugarinovite x rElectron Density= 754.33 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tugarinovite is Not Radioactive
 

Tugarinovite Classification
Help on Dana Class: Dana Class: 04.04.15.01 (04)Simple Oxides
  (04.04)with a cation charge of 4+ (A++++ O2)
  (04.04.15)Dana Group
 
04.04.15.01 Tugarinovite MoO2 P 21/n 2/m
Help on Strunz Class: Strunz Class: 04.DB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.D - Metal:Oxygen = 1:2 and similar
  04.DB -With medium-sized cations; chains of edge-sharing octahedra
 
04.DB.05 Argutite GeO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Cassiterite SnO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Rutile TiO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Pyrolusite MnO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Plattnerite PbO2 P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Varlamoffite* (Sn,Fe)(O,OH)2 P 41/mnm 4/m 2/m 2/m
 
04.DB.05 Squawcreekite? (Fe,Sb,W)O4•(H2O) P 4/mnm 4/m 2/m 2/m
 
04.DB.05 Tugarinovite MoO2 P 21/n 2/m
 
04.DB.05 Tripuhyite FeSbO4 P 41/mnm 4/m 2/m 2/m
 

Other Tugarinovite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Tugarinovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Tugarinovite

MoO2
Dana No: 04.04.15.01 Strunz No: 04.DB.05
Locality:

 

Notes: