| |
 |
Lithiophorite Mineral Data
|
|
|
General Lithiophorite Information
|
 Chemical Formula: |
(Al,Li)Mn++++O2(OH)2 |
| 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 |
| Empirical Formula: |
Al0.7Li0.3Mn4+0.7Mn3+0.3O2(OH)2 |
| Environment: |
Common constituent of "Wad" in the oxidized zones of hydrothermal ore deposits and sedimentary manganese deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1870 |
| Locality: |
White Oak mountain, Bradley County, Tennessee, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the content of LITHIum and the Greek for "to bear". |
| Name Pronunciation: |
Lithiophorite + Pronunciation  |
| Synonym: |
ICSD 75283 |
| |
PDF 41-1378 |
| |
Wad |
| |
Lithiophorite Image |
|
Images:
|
|
Lithiophorite Crystallography
|
| Axial Ratios: |
a:c = 1:9.63141 |
| Cell Dimensions: |
a = 2.9247, c = 28.169, Z = 3; V = 208.67 Den(Calc)= 3.39 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| 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), |
| |
Physical Properties of Lithiophorite
|
| Cleavage: |
{0001} Perfect |
| Color: |
Bluish black, Black. |
| Density: |
3.14 - 3.37, Average = 3.25 |
| Diaphaneity: |
Opaque |
| Fracture: |
Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite). |
| Habit: |
Botryoidal - "Grape-like" rounded forms (e.g.. malachite). |
| Hardness: |
2.5-3 - Finger Nail-Calcite |
| Luster: |
Metallic - Dull |
| Streak: |
blackish gray |
| |
Optical Properties of Lithiophorite
|
| 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
|
| RL Anisotrophism: |
Extreme, ligh gray to dark brown to bluish gray. |
| RL Color: |
Light gray to dark brownish gray. |
| RL Pleochroism: |
Very strong. |
| 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
|
| Electron Density: |
Bulk Density (Electron Density)=3.30 gm/cc
note: Specific Gravity of Lithiophorite =3.39 gm/cc.
|
| Fermion Index: |
Fermion Index = 0.0013190004
Boson Index = 0.9986809996 |
| Photoelectric: |
PELithiophorite = 10.31 barns/electron
U=PELithiophorite x rElectron Density= 33.98 barns/cc.
|
| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Lithiophorite is Not Radioactive |
| |
Lithiophorite Classification
|
| 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 |
| 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
|
| References: |
NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3) OPTIC PROP.(AntBidBlaNic3) |
| 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
Search for Lithiophorite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Lithiophorite :
Ask about Lithiophorite 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 Lithiophorite Specimen Label here :
|
Lithiophorite
(Al,Li)Mn++++O2(OH)2
Dana No: 06.04.01.01 Strunz No: 04.FE.25
Locality:
Notes:
|
|
| |
| |
|
| |
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.
