Chloromenite Mineral Data (original) (raw)
General Chloromenite Information
Chemical Formula:
Cu9O2(SeO3)4Cl6
Composition:
Molecular Weight = 1,324.46 gm
Copper 43.18 % Cu 54.05 % CuO
Selenium 23.85 % Se 33.51 % SeO2
Chlorine 16.06 % Cl 16.06 % Cl
Oxygen 16.91 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Cu9O2(SeO3)4Cl6
Environment:
Found in a fumarole.
IMA Status:
Approved IMA 1996 (Dana # Added)
Locality:
The Northern Breach of the Great Fissure Tolbachik eruption, Kamchatka Peninsula, Russia. Link to MinDat.org Location Data.
Name Origin:
The name comes from chloros, green, and mene, moon, referring to the presence of essential selenium.
Synonym:
IMA1996-048
Chloromenite Image
Images:
Chloromenite Crystallography
Axial Ratios:
a:b:c =2.2489:1:2.072
Cell Dimensions:
a = 14.11, b = 6.274, c = 13, Z = 2; beta = 113° V = 1,059.35 Den(Calc)= 4.15
Crystal System:
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/m
X Ray Diffraction:
By Intensity(I/Io): 3.45(1), 5.56(0.83), 11.29(0.63),
Forms:
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| | Forms:( 0 1 1) ( 1 1 0) ( 3 1 0) ( 1 0 1) ( 0 0 1) Warning: this large pop-up is very compute intensive and may not work well with some computers. | | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
Crystal Structure:
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| | Krivovichev S V , Filatov S K , Semenova T F , Rozhdestvenskaya I V , Zeitschrift fur Kristallographie , 213 (1998) p.645-649, Crystal chemistry of inorganic compounds based on chains of oxocentered, tetrahedra I. Crystal structure of chloromenite, Cu9O2(SeO3)4Cl6, Locality: Tolbachik volcano, Kamchatka, Russia | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Chloromenite
Cleavage:
{101} Perfect
Color:
Tobacco green.
Diaphaneity:
Transparent
Fracture:
Plastic - Deforms like soft, plastic materials.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
1.5-2.5 - Hardness very near Gypsum
Luster:
Vitreous (Glassy)
Streak:
yellowish green
Optical Properties of Chloromenite
Gladstone-Dale:
CI calc= -0.054 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2193,KC= 0.208
Ncalc = 1.86
Optical Data:
Biaxial (-), a=1.87, b=1.92, g=1.94, bire=0.0700
Calculated Properties of Chloromenite
Electron Density:
Bulk Density (Electron Density)=3.83 gm/cc
note: Specific Gravity of Chloromenite =4.15 gm/cc.
Fermion Index:
Fermion Index = 0.01
Boson Index = 0.99
Photoelectric:
PEChloromenite = 38.99 barns/electron
U=PEChloromenite x rElectron Density= 149.29 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chloromenite is Not Radioactive
Chloromenite Classification
Dana Class:
34.06.07.01 (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
Strunz Class:
04.JG.10 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.10 Chloromenite! Cu9O2(SeO3)4Cl6 I2/m 2/m
Other Chloromenite Information
References:
NAME( CanMin, 8/99) PHYS. PROP.(AmMin, V84, p1464) OPTIC PROP.(MinRec)
See Also:
Links to other databases for Chloromenite :
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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Print or Cut-and-Paste your Chloromenite Specimen Label here :
Chloromenite
Cu9O2(SeO3)4Cl6
Dana No: 34.06.07.01 Strunz No: 04.JG.10
Locality:
Notes: