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Punkaruaivite Mineral Data

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General Punkaruaivite Information

Help on Chemical  Formula: Chemical Formula: Li{Ti2(OH)2[Si4O11(OH)]}•H2O
Help on Composition: Composition: Molecular Weight = 460.07 gm
   Lithium    1.51 %  Li    3.25 % Li2O
   Titanium  20.81 %  Ti   34.72 % TiO2
   Silicon   24.42 %  Si   52.24 % SiO2
   Hydrogen   1.10 %  H     9.79 % H2O
   Oxygen    52.16 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: LiTi2(OH)2Si4O11(OH)•(H2O)
Help on Environment: Environment: Related to lintisite and kukisvumite. Na-free analog of lintisite.
Help on IMA Status: IMA Status: Proposed IMA 2008 (Dana # Added)
Help on Locality: Locality: Mt. Punkaruaiv, Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2008-018
 

Punkaruaivite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.0491:1:0.5988
Help on Cell Dimensions: Cell Dimensions: a = 26.68, b = 8.75, c = 5.24, Z = 4; beta = 91.2° V = 1,223.01 Den(Calc)= 2.50
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 13.3(1), 3.5(0.8), 6.23(0.8),2.81(0.7), 3.01(0.7), 4.38(0.6), 2.7(0.4), 4.16(0.4),
 

Optical Properties of Punkaruaivite

Help on Optical Data: Optical Data: NCalc= 1.72 - from Gladstone-Dale relationship (KC = 0.2884) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Punkaruaivite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.48 gm/cc
note: Specific Gravity of Punkaruaivite =2.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEPunkaruaivite = 4.34 barns/electron
U=PEPunkaruaivite x rElectron Density= 10.75 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Punkaruaivite is Not Radioactive
 

Punkaruaivite Classification

Help on  Dana Class: Dana Class: 65.01.06.05 (65)Inosilicate Single-Width Unbranched Chains, W=1
  (65.01)with chains P=2
  (65.01.06)Lorenzenite group
 
65.01.06.01 Lorenzenite Na2Ti2Si2O9 P bcn 2/m 2/m 2/m
 
65.01.06.02 Kukisvumite Na6ZnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
 
65.01.06.03 Lintisite Na3LiTi2Si4O14•2(H2O) C 2/c 2/m
 
65.01.06.04 Manganokukisvumite! Na6MnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
 
65.01.06.05 Punkaruaivite! Li{Ti2(OH)2[Si4O11(OH)]}•H2O C 2/c 2/m
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 Punkaruaivite Information

Help on See Also: See Also: Links to other databases for Punkaruaivite :
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

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Print or Cut-and-Paste your Punkaruaivite Specimen Label here :

Punkaruaivite

Li{Ti2(OH)2[Si4O11(OH)]}•H2O
Dana No: 65.01.06.05 Strunz No: 09.DX.00
Locality:

 

Notes:

 

 
   
 


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