Definition of Abelsonite

Abelsonite

General Information:
 Chemical Formula:
Ni++C31H32N4
 Composition:
(Molecular Weight = 519.31 gm)
Nickel 11.30 % Ni
Hydrogen 6.21 % H 
Carbon 71.70 % C 
Nitrogen 10.79 % N 
 Empirical Formula:
NiC31H32N4
 Environment:
Fractures in lacusterine, kerogen-rich shales.
 IMA Status:
Approved IMA 1975
 Locality:
TL: Green River formation, eastern Uintah Co., Utah, USA.
 Name Origin:
Named after Philip H. Abelson, president, the Carnegie Institution, Washington, DC, a pioneer in organic geochemistry.
Physical Properties:
 Cleavage:
[111] Good
 Color:
pinkish red, purple, or reddish brown.
 Density:
1.45
 Diaphaniety:
Translucent
 Habits:
Platy - Sheet forms (e.g. micas)., Aggregates - Made of numerous individual crystals or clusters.,
 Hardness:
2-2.5 - Gypsum-Finger Nail
 Luminescence:
Non-fluorescent.
 Luster:
Sub Metallic
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