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Physical Properties of Phosphoferrite
Cleavage:
{010} Indistinct
Color:
Colorless, Light green, Dark reddish brown, Reddish brown.
Density:
3.29
Diaphaneity:
Transparent to Translucent
Fracture:
Brittle - Uneven - Very brittle fracture producing uneven fragments.
Habit:
Octahedral Crystals - Occurs as octahedral shaped crystals.
Hardness:
3-3.5 - Calcite-Copper Penny
Luster:
Vitreous - Resinous
Streak:
white
Optical Properties of Phosphoferrite
Gladstone-Dale:
CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2048,KPDmeas= 0.2079,KC= 0.2074 Ncalc = 1.68 - 1.69
Optical Data:
Biaxial (+), a=1.672, b=1.68, g=1.7, bire=0.0280, 2V(Calc)=66, 2V(Meas)=68. Dispersion r > v distinct.
Calculated Properties of Phosphoferrite
Electron Density:
Bulk Density (Electron Density)=3.22 gm/cc note: Specific Gravity of Phosphoferrite =3.29 gm/cc.
Fermion Index:
Fermion Index = 0.0066917373 Boson Index = 0.9933082627
Photoelectric:
PEPhosphoferrite = 12.37 barns/electron U=PEPhosphoferrite x rElectron Density= 39.86 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Phosphoferrite is Not Radioactive
Chemical Formula: 
