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Atlasovite Mineral Data

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General Atlasovite Information

Help on Chemical  Formula: Chemical Formula: Cu6Fe+++Bi+++O4(SO4)5•KCl
Help on Composition: Composition: Molecular Weight = 1,264.97 gm
   Potassium   3.09 %  K     3.72 % K2O
   Iron        4.41 %  Fe    6.31 % Fe2O3
   Copper     30.14 %  Cu   33.94 % Cu2O
   Bismuth    16.52 %  Bi   18.42 % Bi2O3
   Sulfur     12.67 %  S    31.65 % SO3
   Chlorine    2.80 %  Cl    2.80 % Cl
                -   %   Cl   -0.63 % -O=Cl2   
   Oxygen     30.36 %  O
             ______        ______ 
             100.00 %       96.21 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu6Fe3+BiO4(SO4)5(KCl)
Help on Environment: Environment: Volcanic sublimate.
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: Tolbachik fissure volcano, Kamchatka Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vladimir Vasil´┐Żevich Atlasov (1661/1664-1711), Russian traveller who first explored the Kamchatka Peninsula.
Help on Name Pronunciation: Name Pronunciation: Atlasovite + Pronunciation Say ATLASOVITE

Atlasovite Image

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Comments: Small brown crystal fragment with inset image of the peg support in a sample box.
Location: Tolbachik Volcano, Main Fracture, North Breakthrough, Kamchatka Peninsula, Russia. Scale: Not Given, See Image.
© Sergey Vasiliev / Systematic Mineralogy

Atlasovite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.08722
Help on Cell Dimensions: Cell Dimensions: a = 9.86, c = 20.58, Z = 4; V = 2,000.78 Den(Calc)= 4.20
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/ncc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 10.41(1), 2.446(0.8), 3.431(0.7),

Physical Properties of Atlasovite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Dark brown.
Help on Density: Density: 4.2
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: light brown

Optical Properties of Atlasovite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.07 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.07 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1856,KPDmeas= 0.1856,KC= 0.1996
Ncalc = 1.84
Help on Optical Data: Optical Data: Uniaxial (-), e=1.776, w=1.783, bire=0.0070.

Calculated Properties of Atlasovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.92 gm/cc
note: Specific Gravity of Atlasovite =4.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0020361315
Boson Index = 0.9979638685
Help on Photoelectric: Photoelectric: PEAtlasovite = 300.81 barns/electron
U=PEAtlasovite x relectron=1,180.55 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 41.69 (Gamma Ray American Petroleum Institute Units)
Concentration of Atlasovite per GRapi unit = 2.40 (%)

Estimated Radioactivity from Atlasovite - barely detectable


Atlasovite Classification

Help on  Dana Class: Dana Class: (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.01)where (A B)m (XO4)p Zq where m:p>2:1
  (30.01.17)Dana Group Nabokoite Cu7TeO4(SO4)5•KCl P 4/ncc 4/m 2/m 2/m Atlasovite Cu6FeBiO4(SO4)5•KCl P 4/ncc 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 07.BC.20 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BC -With medium-sized and large cations
07.BC.20 Atlasovite Cu6FeBiO4(SO4)5•KCl P 4/ncc 4/m 2/m 2/m
07.BC.20 Nabokoite Cu7TeO4(SO4)5•KCl P 4/ncc 4/m 2/m 2/m

Other Atlasovite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.73,p927,1988) OPTIC PROP.(Am.Min.,Vol.73,p927,1988)
Help on See Also: See Also: Links to other databases for Atlasovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 07.BC.20





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