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Boggildite Mineral Data
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General Boggildite Information
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 Chemical Formula: |
Sr2Na2Al2(PO4)F9 |
| Composition: |
Molecular Weight = 541.14 gm |
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Sodium 8.50 % Na 11.45 % Na2O |
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Strontium 32.38 % Sr 38.30 % SrO |
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Aluminum 9.97 % Al 18.84 % Al2O3 |
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Phosphorus 5.72 % P 13.12 % P2O5 |
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Oxygen 11.83 % O |
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Fluorine 31.60 % F 31.60 % F |
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- %
F -13.30 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Sr2Na2Al2(PO4)F9 |
| IMA Status: |
Valid Species (Pre-IMA) 1954 |
| Locality: |
Link to MinDat.org Location Data. |
| Synonym: |
Boeggildite |
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ICSD 201343 |
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PDF 14-417 |
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Boggildite Crystallography
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| Axial Ratios: |
a:b:c =0.5018:1:1.7753 |
| Cell Dimensions: |
a = 5.251, b = 10.464, c = 18.577, Z = 4; beta = 107.53° V = 973.34 Den(Calc)= 3.69 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c |
| X Ray Diffraction: |
By Intensity(I/Io): 3.162(1), 3.893(0.8), 3.96(0.65), |
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Physical Properties of Boggildite
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| Color: |
Red. |
| Density: |
3.66 |
| Hardness: |
4-5 - Fluorite-Apatite |
| Streak: |
white |
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Optical Properties of Boggildite
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| Optical Data: |
Biaxial (+), a=1.462, b=1.466, g=1.469, bire=0.0070, 2V(Calc)=80, 2V(Meas)=78-80. |
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Calculated Properties of Boggildite
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| Electron Density: |
Bulk Density (Electron Density)=3.44 gm/cc
note: Specific Gravity of Boggildite =3.69 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEBoggildite = 37.61 barns/electron
U=PEBoggildite x rElectron Density= 129.25 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Boggildite is Not Radioactive |
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Boggildite Classification
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| Dana Class: |
12.01.06.01 (12)Compound Halides |
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(12.01)with miscellaneous anions |
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(12.01.06)Dana Group |
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12.01.06.01 Boggildite Sr2Na2Al2(PO4)F9 P 21/c 2/m |
| Strunz Class: |
03.CG.20 03 - HALIDES |
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03.C - Complex Halides |
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03.CG -Aluminofluorides with CO3, SO4, PO4 |
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03.CG.20 Boggildite Sr2Na2Al2(PO4)F9 P 21/c 2/m |
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Other Boggildite Information
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| References: |
NAME( Athena) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
| See Also: |
Links to other databases for Boggildite :
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 Boggildite Specimen Label here :
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Boggildite
Sr2Na2Al2(PO4)F9
Dana No: 12.01.06.01 Strunz No: 03.CG.20
Locality:
Notes:
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