Babefphite Mineral Data

Babefphite Mineral Data
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General Babefphite Information

Help on Chemical Formula: Chemical Formula: BaBe(PO4)(F,O)
Help on Composition: Composition: Molecular Weight = 259.56 gm
   Barium      52.91 %  Ba   59.07 % BaO
   Beryllium    3.47 %  Be    9.64 % BeO
   Phosphorus  11.93 %  P    27.34 % P2O5
   Oxygen      26.20 %  O
   Fluorine     5.49 %  F     5.49 % F
                 -   %   F    -2.31 % -O=F2    
              ______        ______ 
              100.00 %       99.23 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BaBe(PO4)F0.75O0.25
Help on Environment: Environment: In eluvium directly above rare-metal skarn deposits associated with alkaline intrusions.
Help on IMA Status: IMA Status: Approved IMA 1966
Help on Locality: Locality: Occurs in the Aunik fluorite-rare metals deposit, Buryatia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Barium, Beryllium, Fluorine, and Phosphorous in the composition.
Help on Name Pronunciation: Name Pronunciation: Babefphite + Pronunciation Say BABEFPHITE
Help on Synonym: Synonym: ICSD 200922
  PDF 18-157
 

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Babefphite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.42331
Help on Cell Dimensions: Cell Dimensions: a = 4.89, c = 16.74, Z = 4; V = 400.29 Den(Calc)= 4.31
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal DipyramidalH-M Symbol (4/m 2/m 2/m) Space Group: I 41/amd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.516(1), 2.163(1), 3.19(1),
Click Here for Large Babefphite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Shashkin D N , Simonov M A , Belov N V , Doklady Akademii Nauk SSSR , 176 (1967) p.1392-1395, Crystal structure of babepfite BaBePO4F = Ba(Be,P)2O4F

 

Physical Properties of Babefphite

Help on Cleavage: Cleavage: None
Help on Color: Color: White.
Help on Density: Density: 4.31
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Vitreous - Greasy
Help on Streak: Streak: white
 

Optical Properties of Babefphite

Help on Gladstone-Dale: 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
Help on Optical Data: Optical Data: Uniaxial (+), w=1.629, e=1.632, bire=0.0030.
 

Calculated Properties of Babefphite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.84 gm/cc
note: Specific Gravity of Babefphite =4.31 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.12
Boson Index = 0.88
Help on Photoelectric: Photoelectric: PEBabefphite = 238.46 barns/electron
U=PEBabefphite x rElectron Density= 916.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Babefphite is Not Radioactive
 

Babefphite Classification
Help on Dana Class: Dana Class: 41.05.03.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.05)where (A B)2 (XO4) Zq
  (41.05.03)Dana Group
 
41.05.03.01 Babefphite BaBe(PO4)(F,O) I 41/amd 4/m 2/m 2/m
Help on Strunz Class: Strunz Class: 08.BA.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BA -With small and medium-sized cations
 
08.BA.15 Babefphite BaBe(PO4)(F,O) I 41/amd 4/m 2/m 2/m
 

Other Babefphite Information
Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: 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

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Print or Cut-and-Paste your Babefphite Specimen Label here :

Babefphite

BaBe(PO4)(F,O)
Dana No: 41.05.03.01 Strunz No: 08.BA.15
Locality:

 

Notes: