General Babefphite Information Chemical Formula: |
BaBe(PO4)(F,O) |
Composition: |
Molecular Weight = 259.56 gm |
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Barium 52.91 % Ba 59.07 % BaO |
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Beryllium 3.47 % Be 9.64 % BeO |
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Phosphorus 11.93 % P 27.34 % P2O5 |
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Oxygen 26.20 % O |
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Fluorine 5.49 % F 5.49 % F |
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- %
F -2.31 % -O=F2 |
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______ ______ |
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100.00 % 99.23 % = TOTAL OXIDE |
Empirical Formula: |
BaBe(PO4)F0.75O0.25 |
Environment: |
In eluvium directly above rare-metal skarn deposits associated with alkaline intrusions. |
IMA Status: |
Approved IMA 1966 |
Locality: |
Occurs in the Aunik fluorite-rare metals deposit, Buryatia, Russia. Link to MinDat.org Location Data. |
Name Origin: |
For Barium, Beryllium, Fluorine, and Phosphorous in the composition. |
Name Pronunciation: |
Babefphite + Pronunciation |
Synonym: |
ICSD 200922 |
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PDF 18-157 |
| | Search for Babefphite Images
Images:
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| | Babefphite Crystallography Axial Ratios: |
a:c = 1:3.42331 |
Cell Dimensions: |
a = 4.89, c = 16.74, Z = 4; V = 400.29 Den(Calc)= 4.31 |
Crystal System: |
Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 41/amd |
X Ray Diffraction: |
By Intensity(I/Io): 1.516(1), 2.163(1), 3.19(1), |
Crystal Structure:
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Mouse
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| Physical Properties of Babefphite Cleavage: |
None |
Color: |
White. |
Density: |
4.31 |
Diaphaneity: |
Transparent |
Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
Hardness: |
3.5-4 - Copper Penny-Fluorite |
Luster: |
Vitreous - Greasy |
Streak: |
white |
| Optical Properties of Babefphite Gladstone-Dale: |
CI meas= 0.033 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.033 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1463,KPDmeas= 0.1463,KC= 0.1514 Ncalc = 1.65 Optical Data: |
Uniaxial (+), w=1.629, e=1.632, bire=0.0030. |
| Calculated Properties of Babefphite Electron Density: |
Bulk Density (Electron Density)=3.84 gm/cc |
note: Specific Gravity of Babefphite =4.31 gm/cc. Fermion Index: |
Fermion Index = 0.12 |
Boson Index = 0.88 Photoelectric: |
PEBabefphite = 238.46 barns/electron |
U=PEBabefphite x rElectron Density= 916.65 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Babefphite is Not Radioactive | Babefphite Classification Dana Class: |
41.05.03.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.05)where (A B)2 (XO4) Zq |
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(41.05.03)Dana Group |
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Strunz Class: |
08.BA.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BA -With small and medium-sized cations |
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| Other Babefphite Information References: |
NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Babefphite : |
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 Babefphite using: Visit our Advertisers for Babefphite : A Bijoux Google Search for BabefphiteAdam's Minerals Google Search for Babefphite Cape Minerals Google Search for Babefphite Dakota Matrix Minerals Google Search for Babefphite Excalibur Mineral Corp. Google Search for Babefphite Exceptional Minerals Google Search for Babefphite John Betts Fine Minerals Search for Babefphite McDougall Minerals Google Search for Babefphite Mineral News Website Link Rock and Mineral Shows Google Search for Babefphite Weinrich Minerals, Inc. Google Search for Babefphite Ask about Babefphite here : Print or Cut-and-Paste your Babefphite Specimen Label here :
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