Brittle - Generally displayed by glasses and most non-metallic minerals.
Habit:
Encrustations - Forms crust-like aggregates on matrix.
Habit:
Massive - Uniformly indistinguishable crystals forming large masses.
Hardness:
5.5 - Knife Blade
Luminescence:
Non-fluorescent.
Luster:
Sub Metallic
Magnetism:
Nonmagnetic
Streak:
chestnut brown
Optical Properties of Plattnerite
Gladstone-Dale:
CI meas= -0.366 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.612 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1693,KPDmeas= 0.1434,KC= 0.105 Ncalc = 1.81 - 2.01
Optical Data:
Uniaxial (-), e=2.25, w=2.35, bire=0.1000.
RL Anisotrophism:
Noticeable, midnight blue.
RL Color:
Gray-white, with red-brown internal reflections.
RL Pleochroism:
Distinct.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Plattnerite in Air
λ
R1
R2
∑ R1(λ)
∑ R2(λ)
400 nm
18.50
21.30
420 nm
18.40
21.90
440 nm
18.50
21.50
460 nm
18.50
20.20
480 nm
18.50
19.80
500 nm
18.40
19.40
520 nm
18.20
18.90
540 nm
17.90
18.40
560 nm
17.50
18.00
580 nm
17.00
17.40
600 nm
16.50
16.90
620 nm
16.00
16.40
640 nm
15.50
15.90
660 nm
15.00
15.40
680 nm
14.40
15.00
700 nm
14.00
14.50
Calculated Relative Intensity Colors of Plattnerite in Air
Relative Intensity
0%
60%
100%
120%
180%
240%
300%
360%
420%
480%
540%
550%
R1
R2
Calculated Properties of Plattnerite
Electron Density:
Bulk Density (Electron Density)=7.43 gm/cc note: Specific Gravity of Plattnerite =9.07 gm/cc.
Fermion Index:
Fermion Index = 0.19 Boson Index = 0.81
Photoelectric:
PEPlattnerite =1,622.85 barns/electron U=PEPlattnerite x rElectron Density=12054.30 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Plattnerite is Not Radioactive
Chemical Formula: 
