Chloromenite Mineral Data

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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
	-   %  Cl   -3.62 % -O=Cl2
	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   Melanothallite Comments: Olive green crystalline chloromenite on blue-green melanothallite. Location: North Break, Second Cone of main fracture eruption, Tolbachik Volcano, Kamchatka District, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
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),
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Physical Properties of Chloromenite
Cleavage:	[101] Perfect
Color:	Tobacco green.
Diaphaniety:	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
Optical Data:	Biaxial (-), a=1.87, b=1.92, g=1.94, bire=0.0700
Calculated Properties of Chloromenite
Electron Density:	relectron=3.83 gm/cc note: rChloromenite =4.15 gm/cc.
Fermion Index	Fermion Index = 0.0182 Boson Index = 0.9818
Photoelectric:	PEChloromenite = 38.99 barns/electron U=PEChloromenite x relectron= 149.29 barns/cc.
Radioactivity:	GRapi = 0 (Gamma Ray American Petroleum Institute Units) Chloromenite is Not Radioactive
Chloromenite Classification
Dana Class:	34.6.7.1 (34)Selenites - Tellurites - Sulfites
	(34.6)Dana Type
	(34.6.7)Dana Group
	34.6.7.1 Chloromenite ! Cu9O2(SeO3)4Cl6 I2/m 2/m
	34.6.7.2 Georgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m
Strunz Class:	IV/J.05-55 IV - Oxides
	IV/J - Arsenides with [AsO3]3- groups
	IV/J.05 - Asbeckasite - Cafarsite series
	IV/J.05-10 Chadwickite! (UO2)H(AsO3) Tetra
	IV/J.05-20 Cafarsite Ca8(Ti,Fe,Fe,Mn)6-7(AsO3)12·4(H2O) P n3 2/m 3
	IV/J.05-50 Georgbokiite! Cu5O2(SeO3)2Cl2 P 21/c 2/m
	IV/J.05-55 Chloromenite Cu9O2(SeO3)4Cl6 I2/m 2/m
	IV/J.05-60 Ilinskite! NaCu5O2(SeO3)2Cl Pbnm 2/m 2/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 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas Search for Chloromenite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Chloromenite : AA Mineral Specimens B & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Chloromenite Mineral Data : Ask about Chloromenite here : Ask-A-Mineralogist from the Mineralogical Society of America Mindat.org's Discussion Groups Original Rockhounds Discussion Group Rockhounds Discussion Group on Yahoo Groups Mineral Discussion Forum from Fabre Minerals - also available in Español Print or Cut-and-Paste your Chloromenite Specimen Label here : Chloromenite Cu9O2(SeO3)4Cl6 Dana No: 34.6.7.1 Strunz No: IV/J.05-55 Locality:   Notes: