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Parageorgbokiite Mineral Data
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General Parageorgbokiite Information
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 Chemical Formula: |
Cu5O2(SeO3)2Cl2 |
| Composition: |
Molecular Weight = 674.55 gm |
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Copper 47.10 % Cu 58.96 % CuO |
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Selenium 23.41 % Se 32.90 % SeO2 |
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Chlorine 10.51 % Cl 10.51 % Cl |
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- %
Cl -2.37 % -O=Cl2 |
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Oxygen 18.97 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Cu5O2(SeO3)2Cl2 |
| Environment: |
Found in fumaroles of the Great Fissure Talbachik eruption. Dimorphous with georgbokiite. |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Tolbachik volcano, Kamchatka Peninsula, Russia Link to MinDat.org Location Data. |
| Name Origin: |
Named as the lower density form of georgbokite. |
| Synonym: |
IMA2006-001 |
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Parageorgbokiite Crystallography
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| Axial Ratios: |
a:b:c =0.6702:1:1.3816 |
| Cell Dimensions: |
a = 5.3982, b = 8.0543, c = 11.128, Z = 2; beta = 99.258° V = 477.53 Den(Calc)= 4.69 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c |
| X Ray Diffraction: |
By Intensity(I/Io): 3.22(1), 3.01(1), 2.61(0.8),2.27(0.7), 2.117(0.6), 1.953(0.4), 1.482(0.4), 1.406(0.4), |
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Physical Properties of Parageorgbokiite
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| Color: |
Green. |
| Diaphaneity: |
Transparent |
| Habit: |
Platy - Sheet forms (e.g. micas). |
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Optical Properties of Parageorgbokiite
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| Optical Data: |
Biaxial (+/-) |
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NCalc= 1.93 - from Gladstone-Dale relationship (KC = 0.1976) where Ncalc=Dcalc*KC+1
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Calculated Properties of Parageorgbokiite
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| Electron Density: |
Bulk Density (Electron Density)=4.32 gm/cc
note: Specific Gravity of Parageorgbokiite =4.69 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEParageorgbokiite = 40.09 barns/electron
U=PEParageorgbokiite x rElectron Density= 173.37 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Parageorgbokiite is Not Radioactive |
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Parageorgbokiite Classification
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| Dana Class: |
34.06.07.03 (34)Selenites - Tellurites - Sulfites |
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(34.06)Dana Type |
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(34.06.07)Chloromenite Group |
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34.06.07.01 Chloromenite! Cu9O2(SeO3)4Cl6 I2/m 2/m |
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34.06.07.02 Georgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m |
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34.06.07.03 Parageorgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m |
| Strunz Class: |
04.JG.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.J - Arsenites, Antimonites, Bismuthites, Sulfites, |
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04.JG -Selenites with additional anions, without H2O |
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04.JG.05 Georgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m |
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04.JG.05 Parageorgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m |
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Other Parageorgbokiite Information
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| References: |
NAME( AmMin, v93:704) PHYS. PROP.(AmMin, v93:704) OPTIC PROP.(AmMin, v93:704) |
| See Also: |
Links to other databases for Parageorgbokiite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Parageorgbokiite Specimen Label here :
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Parageorgbokiite
Cu5O2(SeO3)2Cl2
Dana No: 34.06.07.03 Strunz No: 04.JG.05
Locality:
Notes:
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