Tanohataite Mineral Data

Tanohataite Mineral Data
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General Tanohataite Information

Help on Chemical Formula: Chemical Formula: LiMn2Si3O8(OH)
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: LiMn2+2Si3O8(OH)
Help on Environment: Environment: Wollastonite group.
Help on IMA Status: IMA Status: Proposed IMA 2007 (Dana # Added)
Help on Locality: Locality: Matsumaezawa pit, Tanohata mine, Tanohata Village, Iwate Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the type locality.
Help on Synonym: Synonym: IMA2007-019
 

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Tanohataite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0815:1:0.9519
Help on Cell Dimensions: 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
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: 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

Help on Optical Data: Optical Data: NCalc= 1.7 - from Gladstone-Dale relationship (KC = 0.2112) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Tanohataite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.23 gm/cc
note: Specific Gravity of Tanohataite =3.33 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PETanohataite = 9.05 barns/electron
U=PETanohataite x rElectron Density= 29.25 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Tanohataite is Not Radioactive
 

Tanohataite Classification
Help on Dana Class: 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
 
65.02.01.01a Wollastonite-1A CaSiO3 P1 1
 
65.02.01.01b Wollastonite-2M* CaSiO3 P 21 2
 
65.02.01.01c Wollastonite-3A-4A-5A-7A* CaSiO3 P1 1
 
65.02.01.02 Bustamite (Mn,Ca)3Si3O9 P1 1
 
65.02.01.03 Ferrobustamite Ca(Fe,Ca,Mn)Si2O6 P1 1
 
65.02.01.04 Pectolite NaCa2Si3O8(OH) P1 1
 
65.02.01.05 Serandite Na(Mn,Ca)2Si3O8(OH) P1 1
 
65.02.01.06 Cascandite Ca(Sc,Fe)Si3O8(OH) C1 1
 
65.02.01.07 Denisovite (K,Na)Ca2Si3O8(F,OH) Mono
 
65.02.01.08 Tanohataite! LiMn2Si3O8(OH) P1 1
Help on Strunz Class: Strunz Class: 09.DX.00 09 - SILICATES (Germanates)
  09.D - Unclassified Strunz Inosilicates
  09.DX -Unknown
 
09.DX.00 Hypersthene? (Mg,Fe)2Si2O6 2/m 2/m 2/m
 
09.DX.00 Plumalsite* Pb4Al2(SiO3)7(?) Unk Ortho
 
09.DX.00 IMA2008-070 NaLi2(Fe2Al2Li)(Si6Al2)O22F2 C 2/m 2/m
 
09.DX.00 IMA2007-015 K(CaNa)(Fe3Al2)(Si6Al2)O22(OH)2 C 2/m 2/m
 
09.DX.00 Tanohataite! LiMn2Si3O8(OH) P1 1
 
09.DX.00 Punkaruaivite! Li{Ti2(OH)2[Si4O11(OH)]}•H2O C 2/c 2/m
 
09.DX.00 Yegorovite! Na4[Si2O4(OH)2]2•7H2O P 21/c 2/m
 
09.DX.00 Kushiroite CaAl2SiO6 C 2/c 2/m
 
09.DX.00 Grossmanite CaTiAlSiO6 C 2/m 2/m
 
09.DX.00 IMA2009-009 KNa2Li(Mg,Fe)2Ti2Si8O24 C 2/m 2/m
 
09.DX.00 IMA2009-010 [Ba6(PO4)2(CO3)][Fe7(OH)4Fe2O2(SiO3)8] P1 1
 
09.DX.00 IMA2009-012 NaNa2(Mg2Al2Li)Si8O22F2 C 2/m 2/m
 

Other Tanohataite Information
Help on See Also: See Also: Links to other databases for Tanohataite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Tanohataite

LiMn2Si3O8(OH)
Dana No: 65.02.01.08 Strunz No: 09.DX.00
Locality:

 

Notes: