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General Tanohataite Information |
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 Chemical Formula: |
LiMn2Si3O8(OH) | ||
| Composition: |
Molecular Weight = 346.08 gm | ||
| Lithium 2.01 % Li 4.32 % Li2O | |||
| Manganese 31.75 % Mn 41.00 % MnO | |||
| Silicon 24.35 % Si 52.08 % SiO2 | |||
| Hydrogen 0.29 % H 2.60 % H2O | |||
| Oxygen 41.61 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
LiMn2+2Si3O8(OH) | ||
| Environment: |
Wollastonite group. | ||
| IMA Status: |
Proposed IMA 2007 (Dana # Added) | ||
| Locality: |
Matsumaezawa pit, Tanohata mine, Tanohata Village, Iwate Prefecture, Japan. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for the type locality. | ||
| Synonym: |
IMA2007-019 | ||
Search for Tanohataite Images | |||
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Images:
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Tanohataite Crystallography |
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| Axial Ratios: |
a:b:c =1.0815:1:0.9519 | ||
| Cell Dimensions: |
a = 7.612, b = 7.038, c = 6.7, Z = 2; alpha = 90.23°, beta = 94.7°, gamma = 105.26° V = 345.12 Den(Calc)= 3.33 | ||
| Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.946(1), 3.134(0.89), 3.109(0.69),2.182(0.4), 6.64(0.35), 2.814(0.33), 3.666(0.26), 2.581(0.22), | ||
Optical Properties of Tanohataite |
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| Optical Data: |
NCalc= 1.7 - from Gladstone-Dale relationship (KC = 0.2112) where Ncalc=Dcalc*KC+1 |
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Calculated Properties of Tanohataite |
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| Electron Density: |
Bulk Density (Electron Density)=3.23 gm/cc note: Specific Gravity of Tanohataite =3.33 gm/cc. |
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| Fermion Index: |
Fermion Index = 0.01 Boson Index = 0.99 |
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| Photoelectric: |
PETanohataite = 9.05 barns/electron U=PETanohataite x rElectron Density= 29.25 barns/cc. |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Tanohataite is Not Radioactive |
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Tanohataite Classification |
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| Dana Class: |
65.02.01.08 (65)Inosilicate Single-Width Unbranched Chains, W=1 | ||
| (65.02)with chains P=3 | |||
| (65.02.01)Wollastonite group | |||
| Strunz Class: |
09.DX.00 09 - SILICATES (Germanates) | ||
| 09.D - Unclassified Strunz Inosilicates | |||
| 09.DX -Unknown | |||
Other Tanohataite Information |
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| See Also: |
Links to other databases for Tanohataite : 1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Tanohataite using: Visit our Advertisers for Tanohataite : A Bijoux Google Search for TanohataiteAdam's Minerals Google Search for Tanohataite Cape Minerals Google Search for Tanohataite Dakota Matrix Minerals Google Search for Tanohataite Excalibur Mineral Corp. Google Search for Tanohataite Exceptional Minerals Google Search for Tanohataite John Betts Fine Minerals Search for Tanohataite McDougall Minerals Google Search for Tanohataite Mineral News Website Link Rock and Mineral Shows Google Search for Tanohataite Weinrich Minerals, Inc. Google Search for Tanohataite Ask about Tanohataite here : Print or Cut-and-Paste your Tanohataite Specimen Label here :
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