Plumosite
Plumosite is a questionable mineral. Most of the time, it can refer to any feather ore, i.e. any ore that forms fine capillaries within the surrounding rock.
Older specimens could be either boulangerite, jamesonite or zinkenite (Pb2Sb2S5, sulfosalt mineral).[1][2][3]
References
This article is issued from Wikipedia - version of the 12/4/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.