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Chiolite Mineral Data
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General Chiolite Information
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 Chemical Formula: |
Na5Al3F14 |
| Composition: |
Molecular Weight = 461.87 gm |
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Sodium 24.89 % Na 33.55 % Na2O |
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Aluminum 17.53 % Al 33.11 % Al2O3 |
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Fluorine 57.59 % F 57.59 % F |
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- %
F -24.25 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na5Al3F14 |
| Environment: |
Granite pegmatites. |
| IMA Status: |
Valid Species (Pre-IMA) 1846 |
| Locality: |
Minask in the Ilmen Mountains, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for snow and stone, as compared to cryolite, ice-stone. |
| Synonym: |
ICSD 126419 |
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PDF 30-1144 |
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Chiolite Image |
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Images:
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Chiolite Crystallography
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| Axial Ratios: |
a:c = 1:1.48322 |
| Cell Dimensions: |
a = 7.005, c = 10.39, Z = 2; V = 509.84 Den(Calc)= 3.01 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 4/mnc |
| X Ray Diffraction: |
By Intensity(I/Io): 2.91(1), 5.18(0.8), 2.32(0.7), |
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Physical Properties of Chiolite
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| Cleavage: |
{001} Perfect, {111} Distinct |
| Color: |
Colorless, Snow white. |
| Density: |
2.84 - 2.9, Average = 2.87 |
| Diaphaneity: |
Transparent |
| Habit: |
Crystalline - Fine - Occurs as well-formed fine sized crystals. |
| Hardness: |
3.5-4 - Copper Penny-Fluorite |
| Luster: |
Vitreous - Greasy |
| Streak: |
white |
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Optical Properties of Chiolite
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| Optical Data: |
Uniaxial (-), e=1.342, w=1.349, bire=0.0070. |
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Calculated Properties of Chiolite
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| Electron Density: |
Bulk Density (Electron Density)=2.87 gm/cc
note: Specific Gravity of Chiolite =3.01 gm/cc.
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| Fermion Index: |
Fermion Index = 0
Boson Index = 1 |
| Photoelectric: |
PEChiolite = 1.19 barns/electron
U=PEChiolite x rElectron Density= 3.43 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Chiolite is Not Radioactive |
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Chiolite Classification
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| Dana Class: |
11.06.11.01 (11)Halide Complexes; Alumino-fluorides |
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(11.06)with miscellaneous formulae |
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(11.06.11)Dana Group |
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11.06.11.01 Chiolite Na5Al3F14 P 4/mnc 4/m 2/m 2/m |
| Strunz Class: |
03.CE.05 03 - HALIDES |
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03.C - Complex Halides |
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03.CE -Phyllo-aluminofluorides |
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03.CE.05 Chiolite Na5Al3F14 P 4/mnc 4/m 2/m 2/m |
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Other Chiolite Information
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| References: |
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) |
| 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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Print or Cut-and-Paste your Chiolite Specimen Label here :
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Chiolite
Na5Al3F14
Dana No: 11.06.11.01 Strunz No: 03.CE.05
Locality:
Notes:
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