Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
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
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