General Paranatisite Information Chemical Formula: |
Na2[TiO(SiO4)] |
Composition: |
Molecular Weight = 201.94 gm |
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Sodium 22.77 % Na 30.69 % Na2O |
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Titanium 23.71 % Ti 39.56 % TiO2 |
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Silicon 13.91 % Si 29.75 % SiO2 |
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Oxygen 39.61 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na2TiO(SiO4) |
Environment: |
In ultra-agpaitic pegmatites in a di®erentiated alkalic massif. |
IMA Status: |
Approved IMA 1992 |
Locality: |
Yukspor Mountain, Khibiny alkaline complex, Kola Peninsula, Russia Link to MinDat.org Location Data. |
Name Origin: |
From the Greek para, for near, and its relation to natisite. |
Name Pronunciation: |
Paranatisite + Pronunciation |
Synonym: |
IMA1990-016 |
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Images:
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| | Paranatisite Crystallography Axial Ratios: |
a:b:c =1.9127:1:2.0439 |
Cell Dimensions: |
a = 9.181, b = 4.8, c = 9.811, Z = 2; V = 432.36 Den(Calc)= 1.55 |
Crystal System: |
Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mc21 |
X Ray Diffraction: |
By Intensity(I/Io): 2.748(1), 1.443(0.35), 1.475(0.33), |
Crystal Structure:
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Mouse
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| Physical Properties of Paranatisite Cleavage: |
None |
Color: |
Yellow, Orange brown, Orange. |
Density: |
3.12 |
Diaphaneity: |
Transparent to Translucent |
Hardness: |
5 - Apatite |
Luster: |
Vitreous - Adamantine |
Streak: |
white |
| Optical Properties of Paranatisite 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 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 Electron Density: |
Bulk Density (Electron Density)=3.03 gm/cc |
note: Specific Gravity of Paranatisite =3.12 gm/cc. Fermion Index: |
Fermion Index = 0.03 |
Boson Index = 0.97 Photoelectric: |
PEParanatisite = 4.79 barns/electron |
U=PEParanatisite x rElectron Density= 14.51 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Paranatisite is Not Radioactive | Paranatisite Classification Dana Class: |
52.04.04.02 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O |
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(52.04)with cations in [6] and/or > [6] coordination |
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(52.04.04)Natisite - Yftisite group |
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Strunz Class: |
09.AG.40b 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AG -Nesosilicates with additional anions; cations in > [6] ± [6] coordination |
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| Other Paranatisite Information References: |
NAME( AntBidBlaNic2) PHYS. PROP.(Am.Min.,Vol.79, p764 and Vol 88, p 479) OPTIC PROP.(Am.Min.,Vol.79,p764,1994) |
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 Search for Paranatisite using: Visit our Advertisers for Paranatisite : A Bijoux Google Search for ParanatisiteAdam's Minerals Google Search for Paranatisite Cape Minerals Google Search for Paranatisite Dakota Matrix Minerals Google Search for Paranatisite Excalibur Mineral Corp. Google Search for Paranatisite Exceptional Minerals Google Search for Paranatisite John Betts Fine Minerals Search for Paranatisite McDougall Minerals Google Search for Paranatisite Mineral News Website Link Rock and Mineral Shows Google Search for Paranatisite Weinrich Minerals, Inc. Google Search for Paranatisite Ask about Paranatisite here : Print or Cut-and-Paste your Paranatisite Specimen Label here :
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