Paranatisite Mineral Data (original) (raw)

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 - 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

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Ask about Paranatisite here :
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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: