Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Hardness:
6 - Orthoclase
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Magnetism:
Nonmagnetic
Streak:
white
Optical Properties of Glaucochroite
Gladstone-Dale:
CI meas= -0.024 (Excellent) - where the CI = (1-KPDmeas/KC) CI calc= 0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2039,KPDmeas= 0.2093,KC= 0.2044 Ncalc = 1.7 - 1.71
Optical Data:
Biaxial (-), a=1.679-1.686, b=1.716-1.723, g=1.729-1.736, bire=0.0500, 2V(Calc)=60, 2V(Meas)=61. Dispersion medium, r > v.
Calculated Properties of Glaucochroite
Electron Density:
Bulk Density (Electron Density)=3.39 gm/cc note: Specific Gravity of Glaucochroite =3.49 gm/cc.
Fermion Index:
Fermion Index = 0.0074635133 Boson Index = 0.9925364867
Photoelectric:
PEGlaucochroite = 10.73 barns/electron U=PEGlaucochroite x rElectron Density= 36.42 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Glaucochroite is Not Radioactive
Glaucochroite Classification
Dana Class:
51.03.02.03(51)Nesosilicate Insular SiO4 Groups Only
(51.03)with all cations in octahedral [6] coordination
Chemical Formula: 
