Pentlandite
By John Sobolewski (JSS) (http://www.mindat.org/photo-192760.html) [CC-BY-3.0], via Wikimedia Commons
Article: Pentlandite Value, Price, and Jewelry Information
Credit: via Wikimedia Commons
Gemstone | Pentlandite |
Natural or man made | Natural |
Gem State | Specimen |
Color | Brown |
Transparency | Opaque |