IMA2008-066 Mineral Data

Advertisment

For more than thirty (30) years, Excalibur Mineral Corp. has been providing private collectors, researchers, major universities and museums throughout the world with reliably identified, rare and unusual mineral samples for science an

Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

Exceptional Minerals features excellent, high quality mineral specimens for sale. We also have a weekly Best Offer Mineral Auction.

General IMA2008-066 Information

Chemical Formula:

Mn5(H2O)4(AsO3OH)2(AsO4)2

Composition:

Molecular Weight = 904.44 gm

Manganese 30.37 % Mn 39.22 % MnO

Arsenic 33.13 % As 50.82 % As₂O₅

Hydrogen 1.11 % H 9.96 % H₂O

Oxygen 35.38 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Mn²⁺₅(H₂O)₄(AsO₃OH)₂(AsO₄)₂

Environment:

Mn analogue of sainfeldite

IMA Status:

Proposed IMA 2009 (Dana # Added)

Locality:

Ojuela mine, Mapimi, Durango, Mexico Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

Search for IMA2008-066 Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

IMA2008-066 Crystallography

Axial Ratios:

a:b:c =1.9446:1:1.0543

Cell Dimensions:

a = 18.03, b = 9.2715, c = 9.7756, Z = 4; beta = 96.266° V = 1,624.38 Den(Calc)= 3.70

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.234(1), 3.074(0.68), 2.973(0.39),3.357(0.33), 8.279(0.28), 1.68(0.26), 2.341(0.21), 2.676(0.21),

Optical Properties of IMA2008-066

Optical Data:

NCalc= 1.72 - from Gladstone-Dale relationship (KC = 0.1935) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2008-066

Electron Density:

Bulk Density (Electron Density)=3.49 gm/cc
note: Specific Gravity of IMA2008-066 =3.70 gm/cc.

Fermion Index:

Fermion Index = 0.0001714934
Boson Index = 0.9998285066

Photoelectric:

PE_IMA2008-066= 30.69 barns/electron
U=PE_IMA2008-066 x rElectron Density= 107.21 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-066 is Not Radioactive

IMA2008-066 Classification

Dana Class:

39.02.01.05 (39)Hydrated Acid Phosphates, etc

(39.02)H2 (AB)5 (XO4)4 · x(H2O)

(39.02.01)Hureaulite Group

39.02.01.01 Hureaulite Mn5(PO3OH)2(PO4)2•4(H2O) C 2/c 2/m

39.02.01.02 Sainfeldite Ca5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m

39.02.01.03 Villyaellenite Mn5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m

39.02.01.04 IMA2008-047! Cd3Zn2(AsO3OH)2(AsO4)24?H2O C 2/c 2/m

39.02.01.05 IMA2008-066! Mn5(H2O)4(AsO3OH)2(AsO4)2 C 2/c 2/m

Strunz Class:

08.CB.10 08 - PHOSPHATES, ARSENATES, VANADATES

08.C - Phosphates without Additional Anions, with H2O

08.CB -With only medium-sized cations, RO4:H2O = 1:1

08.CB.10 Hureaulite Mn5(PO3OH)2(PO4)2•4(H2O) C 2/c 2/m

08.CB.10 Sainfeldite Ca5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m

08.CB.10 IMA2008-066! Mn5(H2O)4(AsO3OH)2(AsO4)2 C 2/c 2/m

08.CB.10 Villyaellenite Mn5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m

08.CB.10 IMA2008-047! Cd3Zn2(AsO3OH)2(AsO4)24?H2O C 2/c 2/m

Other IMA2008-066 Information

See Also:

Links to other databases for IMA2008-066 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

Search for IMA2008-066 using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for IMA2008-066 :

Cape Minerals Google Search for IMA2008-066
Dakota Matrix Minerals Google Search for IMA2008-066
Excalibur Mineral Corp. Google Search for IMA2008-066
Exceptional Minerals Google Search for IMA2008-066
John Betts Fine Minerals Search for IMA2008-066
McDougall Minerals Google Search for IMA2008-066
Mineral News Website Link
Rock and Mineral Shows Google Search for IMA2008-066
Weinrich Minerals, Inc. Google Search for IMA2008-066

Ask about IMA2008-066 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 IMA2008-066 Specimen Label here :

IMA2008-066

Mn5(H2O)4(AsO3OH)2(AsO4)2
Dana No: 39.02.01.05 Strunz No: 08.CB.10
Locality:

Notes: