Mineralogy Database

Ponomarevite Mineral Data

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General Ponomarevite Information

Help on Chemical  Formula: Chemical Formula: K4Cu++4OCl10
Help on Composition: Composition: Molecular Weight = 781.10 gm
   Potassium  20.02 %  K    24.12 % K2O
   Copper     32.54 %  Cu   40.73 % CuO
   Chlorine   45.39 %  Cl   45.39 % Cl
                -   %   Cl  -10.24 % -O=Cl2   
   Oxygen      2.05 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K4Cu4OCl10
Help on Environment: Environment: Fracture filling and in fumaroles, deposited from 280-400 deg C.
Help on IMA Status: IMA Status: Approved IMA 1988
Help on Locality: Locality: Tolbachik fissure volcano, Kamchatka Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vasilii Vasil´┐Żevich Ponomarev (1940-1976), Russian vulcanologist, Institute of Volcanology, Petropavlovsk-Kamchatskii, Russia.
Help on Name Pronunciation: Name Pronunciation: Ponomarevite + Pronunciation Say PONOMAREVITE
Help on Synonym: Synonym: ICSD 27260
  PDF 45-1417

Ponomarevite Image

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Comments: Orange ponomarevite. The sample stored in a closed vial. The photo was made through the vial.
Location: Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Ponomarevite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9912:1:0.6009
Help on Cell Dimensions: Cell Dimensions: a = 14.73, b = 14.86, c = 8.93, Z = 4; beta = 104.9° V = 1,888.94 Den(Calc)= 2.75
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.801(1), 2.787(0.8), 7.31(0.8),

Physical Properties of Ponomarevite

Help on Color: Color: Orange red.
Help on Density: Density: 2.78
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous - Resinous
Help on Streak: Streak: orange

Optical Properties of Ponomarevite

Help on Optical Data: Optical Data: Biaxial (-), a=1.686, b=1.718, g=1.72, bire=0.0340, 2V(Calc)=26, 2V(Meas)=28.

Calculated Properties of Ponomarevite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.61 gm/cc
note: Specific Gravity of Ponomarevite =2.75 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0000338584
Boson Index = 0.9999661416
Help on Photoelectric: Photoelectric: PEPonomarevite = 19.57 barns/electron
U=PEPonomarevite x relectron= 51.00 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 273.70 (Gamma Ray American Petroleum Institute Units)
Concentration of Ponomarevite per GRapi unit = 0.37 (%)

Estimated Radioactivity from Ponomarevite - barely detectable


Ponomarevite Classification

Help on  Dana Class: Dana Class: (10)Oxyhalides and Hydroxyhalides
  (10.06)where Am Bn (O,OH)p Xq
  (10.06.12)Dana Group Ponomarevite K4Cu4OCl10 C 2/c 2/m
Help on  Strunz Class: Strunz Class: 03.DA.35 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DA -With Cu, etc., without Pb
03.DA.35 Ponomarevite K4Cu4OCl10 C 2/c 2/m

Other Ponomarevite Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.75,p709,1990) OPTIC PROP.(Am.Min.,Vol.75,p709,1990)
Help on See Also: See Also: Links to other databases for Ponomarevite :
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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Dana No: Strunz No: 03.DA.35





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