Abelsonite
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| Abelsonite | |
|---|---|
 Abelsonite |
|
| General | |
| Category | Organic compounds |
| Chemical formula | NiC31H32N4 |
| Strunz classification | 10.CA.20 |
| Identification | |
| Color | Pink-purple, reddish-brown |
| Crystal habit | Aggregates - Made of numerous individual crystals or clusters. Platy - Sheet forms (e.g. micas) |
| Crystal system | Triclinic |
| Cleavage | [111] Good |
| Fracture | Fragile - Crystals with a delicate and easily injured structure |
| Mohs scale hardness | 2-2.5 - Gypsum-Finger Nail |
| Luster | Adamantine to Sub-Metallic |
| Streak | pink |
| Diaphaneity | Translucent |
| Specific gravity | 1.33 - 1.48 |
| Density | 1.45 |
| Optical properties | Biaxial |
| References | [1][2][3] |
Abelsonite (synonymous with nickel porphyrin), is an organic porphyrin mineral [1] first described in 1975 for specimens in oil shale from the Green River Formation in eastern Uintah County, Utah. It is named after Philip Hauge Abelson, an American physicist.
[edit] References
- ^ a b http://rruff.geo.arizona.edu/doclib/hom/abelsonite.pdf Mineral Handbook
- ^ http://www.mindat.org/min-1.html Mindat
- ^ http://www.webmineral.com/data/Abelsonite.shtml Webmineral
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