Chiolite Mineral Data

Chiolite Mineral Data
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General Chiolite Information

Help on Chemical Formula: Chemical Formula: Na5Al3F14
Help on Composition: Composition: Molecular Weight = 461.87 gm
   Sodium    24.89 %  Na   33.55 % Na2O
   Aluminum  17.53 %  Al   33.11 % Al2O3
   Fluorine  57.59 %  F    57.59 % F
               -   %   F   -24.25 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na5Al3F14
Help on Environment: Environment: Granite pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1846
Help on Locality: Locality: Minask in the Ilmen Mountains, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for snow and stone, as compared to cryolite, ice-stone.
Help on Synonym: Synonym: ICSD 126419
  PDF 30-1144
 

Chiolite Image

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Chiolite

Comments: White translucent crystalline massive chiolite.
Location: Ivigtut, Arksukjiord, Greenland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Chiolite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.48322
Help on Cell Dimensions: Cell Dimensions: a = 7.005, c = 10.39, Z = 2; V = 509.84 Den(Calc)= 3.01
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.91(1), 5.18(0.8), 2.32(0.7),
Click Here for Large Chiolite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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 Help on Above


Brosset C , Zeitschrift fur Anorganische und Allgemeine Chemie , 238 (1938) p.201-208, Die kristallstruktur des chioliths

 

Physical Properties of Chiolite

Help on Cleavage: Cleavage: {001} Perfect, {111} Distinct
Help on Color: Color: Colorless, Snow white.
Help on Density: Density: 2.84 - 2.9, Average = 2.87
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Crystalline - Fine - Occurs as well-formed fine sized crystals.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Chiolite

Help on Optical Data: Optical Data: Uniaxial (-), e=1.342, w=1.349, bire=0.0070.
 

Calculated Properties of Chiolite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.87 gm/cc
note: Specific Gravity of Chiolite =3.01 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0
Boson Index = 1
Help on Photoelectric: Photoelectric: PEChiolite = 1.19 barns/electron
U=PEChiolite x rElectron Density= 3.43 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chiolite is Not Radioactive
 

Chiolite Classification
Help on Dana Class: Dana Class: 11.06.11.01 (11)Halide Complexes; Alumino-fluorides
  (11.06)with miscellaneous formulae
  (11.06.11)Dana Group
 
11.06.11.01 Chiolite Na5Al3F14 P 4/mnc 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: 03.CE.05 03 - HALIDES
  03.C - Complex Halides
  03.CE -Phyllo-aluminofluorides
 
03.CE.05 Chiolite Na5Al3F14 P 4/mnc 4/m 2/m 2/m
 

Other Chiolite Information
Help on References: References: NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Chiolite :
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 Chiolite here :
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Print or Cut-and-Paste your Chiolite Specimen Label here :

Chiolite

Na5Al3F14
Dana No: 11.06.11.01 Strunz No: 03.CE.05
Locality:

 

Notes: