Lithiophorite Mineral Data

Lithiophorite Mineral Data
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General Lithiophorite Information

Help on Chemical Formula: Chemical Formula: (Al,Li)Mn++++O2(OH)2
Help on Composition: Composition: Molecular Weight = 141.92 gm
   Lithium     1.47 %  Li    3.16 % Li2O
   Manganese  38.71 %  Mn   16.69 % Mn2O3 / 42.88 % MnO2
   Aluminum   13.31 %  Al   25.15 % Al2O3
   Hydrogen    1.42 %  H    12.69 % H2O
   Oxygen     45.09 %  O
             ______        ______ 
             100.00 %      100.56 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al0.7Li0.3Mn4+0.7Mn3+0.3O2(OH)2
Help on Environment: Environment: Common constituent of "Wad" in the oxidized zones of hydrothermal ore deposits and sedimentary manganese deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1870
Help on Locality: Locality: White Oak mountain, Bradley County, Tennessee, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the content of LITHIum and the Greek for "to bear".
Help on Name Pronunciation: Name Pronunciation: Lithiophorite + Pronunciation Say LITHIOPHORITE
Help on Synonym: Synonym: ICSD 75283
  PDF 41-1378
  Wad
 

Lithiophorite Image

Click Here for Larger Lithiophorite Image in a New Browser Window Images:
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Lithiophorite

Comments: Black Lithiophorite cementing gravel.
Location: Pöhlberg, Annaberg - Buchholz, Erzgebirge, Saxony, Germany. Scale: Specimen size 6 cm.
© Thomas Witzke / Abraxas-Verlag

Lithiophorite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:9.63141
Help on Cell Dimensions: Cell Dimensions: a = 2.9247, c = 28.169, Z = 3; V = 208.67 Den(Calc)= 3.39
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.714(1), 3.143(0.7), 9.428(0.68),1.453(0.4), 2.371(0.24), 1.88(0.14),
Click Here for Large Lithiophorite Structure Window Crystal Structure:

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drag2 - RMB Resize/Rotate
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Post J E , Appleman D E , American Mineralogist , 79 (1994) p.370-374, Crystal structure refinement of lithiophorite, Note: U(1,2) for Mn/Al/Li/O2 have been altered to match symmetry constraints.

 

Physical Properties of Lithiophorite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Bluish black, Black.
Help on Density: Density: 3.14 - 3.37, Average = 3.25
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Help on Habit: Habit: Botryoidal - "Grape-like" rounded forms (e.g.. malachite).
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Metallic - Dull
Help on Streak: Streak: blackish gray
 

Optical Properties of Lithiophorite

Help on Optical Data: Optical Data: Uniaxial (?).
  NCalc= 2.1 - from Gladstone-Dale relationship (KC = 0.3241) where Ncalc=Dcalc*KC+1
NCalc= 2.05 - from Gladstone-Dale relationship (KC = 0.3241) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Extreme, ligh gray to dark brown to bluish gray.
Help on RL Color: RL Color: Light gray to dark brownish gray.
Help on RL Pleochroism: RL Pleochroism: Very strong.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Lithiophorite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   15.70   34.90 
   
 420 nm   14.00   31.30 
 440 nm   12.30   27.70 
 460 nm   11.20   24.90 
 480 nm   10.60   23.00 
 500 nm   10.20   21.90 
 520 nm   10.00   21.00 
 540 nm    9.80   20.40 
 560 nm    9.60   19.70 
 580 nm    9.50   19.20 
 600 nm    9.40   18.90 
 620 nm    9.30   18.60 
 640 nm    9.30   18.40 
 660 nm    9.30   18.40 
 680 nm    9.30   18.30 
 700 nm    9.30   18.20 
Calculated Relative Intensity Colors of Lithiophorite in Air
Relative
Intensity		    0%   90% 100% 180% 270% 360% 450% 540% 630% 720% 810% 890%
R1                        
R2                        
 

Calculated Properties of Lithiophorite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.30 gm/cc
note: Specific Gravity of Lithiophorite =3.39 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0013190004
Boson Index = 0.9986809996
Help on Photoelectric: Photoelectric: PELithiophorite = 10.31 barns/electron
U=PELithiophorite x rElectron Density= 33.98 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lithiophorite is Not Radioactive
 

Lithiophorite Classification
Help on Dana Class: Dana Class: 06.04.01.01 (06)Hydroxides and Oxides Containing Hydroxyl
  (06.04)containing multiple cations
  (06.04.01)Dana Group
 
06.04.01.01 Lithiophorite (Al,Li)MnO2(OH)2 R 3m 3 2/m
 
06.04.01.02 Quenselite PbMnO2(OH) P 2 2
Help on Strunz Class: Strunz Class: 04.FE.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FE -Hydroxides with OH, without H2O; sheets of edge-sharing octahedra
 
04.FE.25 Feitknechtite beta-MnO(OH) Unk Hex
 
04.FE.25 Lithiophorite (Al,Li)MnO2(OH)2 R 3m 3 2/m
 

Other Lithiophorite Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Lithiophorite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Lithiophorite

(Al,Li)Mn++++O2(OH)2
Dana No: 06.04.01.01 Strunz No: 04.FE.25
Locality:

 

Notes: