Parageorgbokiite Mineral Data (original) (raw)

General Parageorgbokiite Information

Help on Chemical Formula: Chemical Formula:

Cu5O2(SeO3)2Cl2

Help on Composition: Composition:

Molecular Weight = 674.55 gm

Copper 47.10 % Cu 58.96 % CuO

Selenium 23.41 % Se 32.90 % SeO2

Chlorine 10.51 % Cl 10.51 % Cl

- % Cl -2.37 % -O=Cl2

Oxygen 18.97 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Cu5O2(SeO3)2Cl2

Help on Environment: Environment:

Found in fumaroles of the Great Fissure Talbachik eruption. Dimorphous with georgbokiite.

Help on IMA Status: IMA Status:

Approved IMA 2006 (Dana # Added)

Help on Locality: Locality:

Tolbachik volcano, Kamchatka Peninsula, Russia Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named as the lower density form of georgbokite.

Help on Synonym: Synonym:

IMA2006-001

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Parageorgbokiite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.6702:1:1.3816

Help on Cell Dimensions: Cell Dimensions:

a = 5.3982, b = 8.0543, c = 11.128, Z = 2; beta = 99.258° V = 477.53 Den(Calc)= 4.69

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): 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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| | Krivovichev S V , Filatov S K , Burns P C , Vergasova L P , The Canadian Mineralogist , 45 (2007) p.929-934, The crystal structure of parageorgbokiite, B-Cu5O2(SeO3)2Cl2, Locality: Great Fissure Tolbachik eruption, Kamchatka Peninsula, Russia | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Parageorgbokiite

Help on Color: Color:

Green.

Help on Diaphaneity: Diaphaneity:

Transparent

Help on Habit: Habit:

Platy - Sheet forms (e.g. micas).

Optical Properties of Parageorgbokiite

Help on Optical Data: Optical Data:

Biaxial (+/-)

NCalc= 1.93 - from Gladstone-Dale relationship (KC = 0.1976) where Ncalc=Dcalc*KC+1

Calculated Properties of Parageorgbokiite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=4.32 gm/cc
note: Specific Gravity of Parageorgbokiite =4.69 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEParageorgbokiite = 40.09 barns/electron
U=PEParageorgbokiite x rElectron Density= 173.37 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Parageorgbokiite is Not Radioactive

Parageorgbokiite Classification

Help on Dana Class: Dana Class:

34.06.07.03 (34)Selenites - Tellurites - Sulfites

(34.06)Dana Type

(34.06.07)Chloromenite Group

34.06.07.01 Chloromenite! Cu9O2(SeO3)4Cl6 I2/m 2/m

34.06.07.02 Georgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m

34.06.07.03 Parageorgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m

Help on Strunz Class: Strunz Class:

04.JG.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.J - Arsenites, Antimonites, Bismuthites, Sulfites,

04.JG -Selenites with additional anions, without H2O

04.JG.05 Georgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m

04.JG.05 Parageorgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m

Other Parageorgbokiite Information

Help on References: References:

NAME( AmMin, v93:704) PHYS. PROP.(AmMin, v93:704) OPTIC PROP.(AmMin, v93:704)

Help on See Also: 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 :

Parageorgbokiite

Cu5O2(SeO3)2Cl2
Dana No: 34.06.07.03 Strunz No: 04.JG.05
Locality:

Notes: