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Physical Properties of Anatase
Cleavage:
{101} Perfect, {001} Distinct
Color:
Black, Reddish brown, Yellowish brown, Dark blue, Gray.
Density:
3.9
Diaphaneity:
Transparent to translucent
Fracture:
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Habit:
Pyramidal - Crystals are shaped like pyramids.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luminescence:
Non-fluorescent.
Luster:
Adamantine - Resinous
Streak:
pale yellowish white
Optical Properties of Anatase
Dichroism (e):
slate blue.
Dichroism (w):
slate blue.
Gladstone-Dale:
CI meas= 0.005 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.3929,KPDmeas= 0.3909,KC= 0.393 Ncalc = 2.52 - 2.53
Optical Data:
Uniaxial (-), e=2.488, w=2.561, bire=0.0730.
RL Pleochroism:
Weak.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Anatase in Air
λ
R1
R2
∑ R1(λ)
∑ R2(λ)
400 nm
23.70
23.80
420 nm
22.40
22.50
440 nm
21.70
21.60
460 nm
21.10
21.00
480 nm
20.70
20.40
500 nm
20.20
20.00
520 nm
19.90
19.60
540 nm
19.60
19.30
560 nm
19.40
19.00
580 nm
19.20
18.80
600 nm
19.00
18.50
620 nm
18.80
18.40
640 nm
18.70
18.20
660 nm
18.60
18.10
680 nm
18.50
18.00
700 nm
18.40
17.80
Calculated Relative Intensity Colors of Anatase in Air
Relative Intensity
0%
50%
100%
150%
200%
250%
300%
350%
400%
450%
470%
R1
R2
Calculated Properties of Anatase
Electron Density:
Bulk Density (Electron Density)=3.69 gm/cc note: Specific Gravity of Anatase =3.88 gm/cc.
Fermion Index:
Fermion Index = 0.07 Boson Index = 0.93
Photoelectric:
PEAnatase = 10.03 barns/electron U=PEAnatase x rElectron Density= 37.04 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Anatase is Not Radioactive
Chemical Formula: 
