Paranatisite Mineral Data

Paranatisite Mineral Data
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General Paranatisite Information

Help on Chemical Formula: Chemical Formula: Na2[TiO(SiO4)]
Help on Composition: Composition: Molecular Weight = 201.94 gm
   Sodium    22.77 %  Na   30.69 % Na2O
   Titanium  23.71 %  Ti   39.56 % TiO2
   Silicon   13.91 %  Si   29.75 % SiO2
   Oxygen    39.61 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2TiO(SiO4)
Help on Environment: Environment: In ultra-agpaitic pegmatites in a di®erentiated alkalic massif.
Help on IMA Status: IMA Status: Approved IMA 1992
Help on Locality: Locality: Yukspor Mountain, Khibiny alkaline complex, Kola Peninsula, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek para, for near, and its relation to natisite.
Help on Name Pronunciation: Name Pronunciation: Paranatisite + Pronunciation Say PARANATISITE
Help on Synonym: Synonym: IMA1990-016
 

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Paranatisite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.9127:1:2.0439
Help on Cell Dimensions: Cell Dimensions: a = 9.181, b = 4.8, c = 9.811, Z = 2; V = 432.36 Den(Calc)= 1.55
Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mc21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.748(1), 1.443(0.35), 1.475(0.33),
Click Here for Large Paranatisite Structure Window Crystal Structure:

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Sokolova E V , Hawthorne F C , The Canadian Mineralogist , 40 (2002) p.947-960, Reconsideration of the crystal structure of paranatisite and the crystal

 

Physical Properties of Paranatisite

Help on Cleavage: Cleavage: None
Help on Color: Color: Yellow, Orange brown, Orange.
Help on Density: Density: 3.12
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: white
 

Optical Properties of Paranatisite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.129 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.752 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.483,KPDmeas= 0.24,KC= 0.2757
Ncalc = 1.43 - 1.86
Help on Optical Data: Optical Data: Biaxial (+), a=1.74, b=1.741, g=1.765, bire=0.0250, 2V(Calc)=24, 2V(Meas)=20-23.
 

Calculated Properties of Paranatisite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.03 gm/cc
note: Specific Gravity of Paranatisite =3.12 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEParanatisite = 4.79 barns/electron
U=PEParanatisite x rElectron Density= 14.51 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paranatisite is Not Radioactive
 

Paranatisite Classification
Help on Dana Class: Dana Class: 52.04.04.02 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
  (52.04)with cations in [6] and/or > [6] coordination
  (52.04.04)Natisite - Yftisite group
 
52.04.04.01 Natisite Na2(TiO)SiO4 P 4/nmm 4/m 2/m 2/m
 
52.04.04.02 Paranatisite Na2[TiO(SiO4)] P mc21 mm2
 
52.04.04.03 Yftisite-(Y)? (Y,Dy,Er)4(Ti,Sn)O(SiO4)2(F,OH)6 C mcm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 09.AG.40b 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AG -Nesosilicates with additional anions; cations in > [6] ± [6] coordination
 
09.AG.40b Paranatisite Na2[TiO(SiO4)] P mc21 mm2
 

Other Paranatisite Information
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.79, p764 and Vol 88, p 479) OPTIC PROP.(Am.Min.,Vol.79,p764,1994)
Help on See Also: See Also: Links to other databases for Paranatisite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Paranatisite

Na2[TiO(SiO4)]
Dana No: 52.04.04.02 Strunz No: 09.AG.40b
Locality:

 

Notes: