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Bindi L , Cipriani C , The Canadian Mineralogist , 42 (2004) p.1733-1737, Structural and physical properties of fischesserite,, a rare gold-silver selenide from the De Lamar mine, Owyhee County, Idaho, USA, Locality: De Lamar mine, Owyhee County, Idaho, USA
Physical Properties of Fischesserite
Cleavage:
None
Color:
Silver white.
Density:
9.05
Diaphaneity:
Opaque
Hardness:
2-2.5 - Gypsum-Finger Nail
Luster:
Metallic
Optical Properties of Fischesserite
RL Bireflectance:
None.
RL Color:
Pink.
RL Pleochroism:
None.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Fischesserite in Air
λ
R
∑ R(λ)
470 nm
32.50
548 nm
30.00
587 nm
31.10
650 nm
33.70
Calculated Relative Intensity Colors of Fischesserite in Air
Relative Intensity
0%
30%
60%
90%
100%
120%
150%
180%
210%
240%
270%
290%
R
Calculated Properties of Fischesserite
Electron Density:
Bulk Density (Electron Density)=7.73 gm/cc note: Specific Gravity of Fischesserite =9.10 gm/cc.
Fermion Index:
Fermion Index = 0.01 Boson Index = 0.99
Photoelectric:
PEFischesserite = 612.47 barns/electron U=PEFischesserite x rElectron Density=4,731.58 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Fischesserite is Not Radioactive
Fischesserite Classification
Dana Class:
02.04.03.02(02)Sulfides - Including Selenides and Tellurides