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Ponomarevite Mineral Data
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General Ponomarevite Information
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Chemical Formula: |
K4Cu++4OCl10 |
Composition: |
Molecular Weight = 781.10 gm |
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Potassium 20.02 % K 24.12 % K2O |
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Copper 32.54 % Cu 40.73 % CuO |
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Chlorine 45.39 % Cl 45.39 % Cl |
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- %
Cl -10.24 % -O=Cl2 |
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Oxygen 2.05 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
K4Cu4OCl10 |
Environment: |
Fracture filling and in fumaroles, deposited from 280-400 deg C. |
IMA Status: |
Approved IMA 1988 |
Locality: |
Tolbachik fissure volcano, Kamchatka Peninsula, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for Vasilii Vasil�evich Ponomarev (1940-1976), Russian vulcanologist, Institute of Volcanology, Petropavlovsk-Kamchatskii, Russia. |
Name Pronunciation: |
Ponomarevite + Pronunciation |
Synonym: |
ICSD 27260 |
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PDF 45-1417 |
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Ponomarevite Image |
Images:
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Ponomarevite
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 |
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Ponomarevite Crystallography
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Axial Ratios: |
a:b:c =0.9912:1:0.6009 |
Cell Dimensions: |
a = 14.73, b = 14.86, c = 8.93, Z = 4; beta = 104.9° V = 1,888.94 Den(Calc)= 2.75 |
Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
X Ray Diffraction: |
By Intensity(I/Io): 2.801(1), 2.787(0.8), 7.31(0.8), |
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Physical Properties of Ponomarevite
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Color: |
Orange red. |
Density: |
2.78 |
Diaphaneity: |
Transparent |
Hardness: |
2.5 - Finger Nail |
Luster: |
Vitreous - Resinous |
Streak: |
orange |
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Optical Properties of Ponomarevite
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Optical Data: |
Biaxial (-), a=1.686, b=1.718, g=1.72, bire=0.0340, 2V(Calc)=26, 2V(Meas)=28. |
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Calculated Properties of Ponomarevite
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Electron Density: |
Bulk Density (Electron Density)=2.61 gm/cc note: Specific Gravity of Ponomarevite =2.75 gm/cc. |
Fermion Index: |
Fermion Index = 0.0000338584 Boson Index = 0.9999661416 |
Photoelectric: |
PEPonomarevite = 19.57 barns/electron U=PEPonomarevite x relectron= 51.00 barns/cc. |
Radioactivity: |
GRapi = 273.70 (Gamma Ray American Petroleum Institute Units)
Concentration of Ponomarevite per GRapi unit = 0.37 (%)
Estimated Radioactivity from Ponomarevite - barely detectable
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Ponomarevite Classification
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Dana Class: |
10.06.12.01 (10)Oxyhalides and Hydroxyhalides |
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(10.06)where Am Bn (O,OH)p Xq |
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(10.06.12)Dana Group |
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10.06.12.01 Ponomarevite K4Cu4OCl10 C 2/c 2/m |
Strunz Class: |
03.DA.35 03 - HALIDES |
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03.D - Oxyhalides, Hydroxyhalides and Related Double Halides |
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03.DA -With Cu, etc., without Pb |
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03.DA.35 Ponomarevite K4Cu4OCl10 C 2/c 2/m |
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Other Ponomarevite Information
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References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Am.Min.,Vol.75,p709,1990) OPTIC PROP.(Am.Min.,Vol.75,p709,1990) |
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
15 - WWW-MINCRYST
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Print or Cut-and-Paste your Ponomarevite Specimen Label here :
Ponomarevite
K4Cu++4OCl10
Dana No: 10.06.12.01 Strunz No: 03.DA.35
Locality:
Notes:
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