Bazhenovite Mineral Data

Bazhenovite Mineral Data
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General Bazhenovite Information

Help on Chemical Formula: Chemical Formula: CaS5•CaS2O3•6Ca(OH)2•20(H2O)
Help on Composition: Composition: Molecular Weight = 1,157.48 gm
   Calcium   27.70 %  Ca
   Hydrogen   4.53 %  H
   Sulfur    19.39 %  S
   Oxygen    48.38 %  O
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: CaS5CaS2O36(Ca)6(OH)2•20(H2O)
Help on Environment: Environment: Old burning coal dumps. A questionable mineral. Later study shows disordered assemblage of S3--, and to a lesser extent, S4-- groups.
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: Chelyabinsk coal basin, southern Ural Mountains, Russa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for A. G. Bazhenov (petrographer) and L. F. Bazhenov (analytical chemist), Russian scientists.
Help on Name Pronunciation: Name Pronunciation: Bazhenovite + Pronunciation Say BAZHENOVITE
 

Bazhenovite Image

Click Here for Larger Bazhenovite Image in a New Browser Window Images:
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Bazhenovite

Comments: Yellow, bladed crystals of bazhenovite on matrix.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Bazhenovite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.4836:1:0.4716
Help on Cell Dimensions: Cell Dimensions: a = 8.45, b = 17.47, c = 8.24, Z = 1; beta = 119.5° V = 1,058.70 Den(Calc)= 1.82
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.39(1), 8.76(1), 1.996(0.7),
Click Here for Large Bazhenovite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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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


Bindi L , Bonazzi P , Dei L , Zoppi A , American Mineralogist , 90 (2005) p.1556-1562, Does the bazhenovite structure really contain a thiosulfate group?, A structural and spectroscopic study of a sample from the type locality, Sample: Chelyabinsk coal basin, South Urals, Russia

 

Physical Properties of Bazhenovite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Light yellow, Orange.
Help on Density: Density: 1.83
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Bladed - Aggregates of thin lath-like crystals (e.g. kyanite).
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: light yellow
 

Optical Properties of Bazhenovite

Help on Optical Data: Optical Data: Biaxial (+), a=1.595, b=1.619, g=1.697, bire=0.1020, 2V(Calc)=62, 2V(Meas)=60.3.
Help on Pleochroism (x): Pleochroism (x): deep yellow green.
Help on Pleochroism (y): Pleochroism (y): greenish yellow.
Help on Pleochroism (z): Pleochroism (z): pale greenish yellow.
 

Calculated Properties of Bazhenovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.90 gm/cc
note: Specific Gravity of Bazhenovite =1.82 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0020673909
Boson Index = 0.9979326091
Help on Photoelectric: Photoelectric: PEBazhenovite = 4.41 barns/electron
U=PEBazhenovite x rElectron Density= 8.37 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bazhenovite is Not Radioactive
 

Bazhenovite Classification
Help on Dana Class: Dana Class: 29.09.03.01 (29)Hydrated Acid and Sulfates
  (29.09)with miscellaneous formulae
  (29.09.03)Dana Group
 
29.09.03.01 Bazhenovite CaS5•CaS2O3•6Ca(OH)2•20(H2O) P 21/c 2/m
Help on Strunz Class: Strunz Class: 02.FD.50 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O
  02.FD -With O, OH, H2O
 
02.FD.50 Bazhenovite CaS5•CaS2O3•6Ca(OH)2•20(H2O) P 21/c 2/m
 

Other Bazhenovite Information
Help on References: References: NAME( Dana8, AmMin, v90:1556) PHYS. PROP.(Am.Min.,Vol.74,p500,1989) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Bazhenovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Bazhenovite

CaS5•CaS2O3•6Ca(OH)2•20(H2O)
Dana No: 29.09.03.01 Strunz No: 02.FD.50
Locality:

 

Notes: