Composition: Pb3O2(SeO3)
Crystal System : Orthorhombic
Lustre : Adamantine
Hardness (H) : 2-3
Specific Gravity (S.G) : 7.81
Year of Discovery: 1999
IMA Number: 2010-208
IMA Status: Approved
Discovered By: Georg Gebhard (German collector)
Named for: Composition
References: Kampf et al. (2011)

Tsumeb is the Type Locality


  • Supergene
  • 2nd Oxidation Zone

Paragenetic and General Notes

Plumboselite occurs as sub-parallel to divergent clusters of thin, flattened, colourless, brittle fibres to 0.3 mm in length but not exceeding 5μm in width and 2μm thickness.

Plumboselite was formerly known as GS19 (of Gebhard, 1999)