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Physical Properties of Perovskite
Cleavage:
{100} Good, {010} Good, {001} Good
Color:
Black, Reddish brown, Pale yellow, Yellowish orange.
Density:
4
Diaphaneity:
Transparent to translucent to opaque
Fracture:
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Habit:
Pseudo Cubic - Crystals show a cubic outline.
Habit:
Pseudo Hexagonal - Crystals show a hexagonal outline.
Habit:
Reniform - "Kidney like" in shape (e.g.. hematite).
Hardness:
5.5 - Knife Blade
Luminescence:
Non-fluorescent.
Luster:
Sub Metallic
Streak:
grayish white
Optical Properties of Perovskite
Gladstone-Dale:
CI meas= -0.055 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.047 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3325,KPDmeas= 0.335,KC= 0.3175 Ncalc = 2.27 - 2.28
Optical Data:
Biaxial (+), a=2.3, b=2.34, g=2.38, bire=0.0800, 2V(Calc)=88, 2V(Meas)=90. Dispersion r > v.
Pleochroism (x):
colorless.
Pleochroism (y):
colorless.
Pleochroism (z):
colorless.
RL Color:
Dark bluish gray.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Perovskite in Air
λ
R
∑ R(λ)
400 nm
19.20
420 nm
18.80
440 nm
18.40
460 nm
18.00
480 nm
17.60
500 nm
17.30
520 nm
17.00
540 nm
16.80
560 nm
16.60
580 nm
16.40
600 nm
16.20
620 nm
16.10
640 nm
16.00
660 nm
16.00
680 nm
15.90
700 nm
15.90
Calculated Relative Intensity Colors of Perovskite in Air
Relative Intensity
0%
60%
100%
120%
180%
240%
300%
360%
420%
480%
540%
R
Calculated Properties of Perovskite
Electron Density:
Bulk Density (Electron Density)=3.91 gm/cc note: Specific Gravity of Perovskite =4.03 gm/cc.
Fermion Index:
Fermion Index = 0.04 Boson Index = 0.96
Photoelectric:
PEPerovskite = 9.49 barns/electron U=PEPerovskite x rElectron Density= 37.13 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Perovskite is Not Radioactive
Chemical Formula: 
