Plattnerite

Plattnerite


Composition: PbO2
Crystal System : Tetragonal
Colours: Black, brownish-black
Lustre : Adamantine, metallic
Hardness (H) : 5.5
Specific Gravity (S.G) : 9.56

  

Distribution

Extremely rare. First and second oxidation zones.

Occurrence

  • Supergene
  • 1st Oxidation Zone
  • 2nd Oxidation Zone

Paragenetic and General Notes

As blackish-brown coatings on cerussite, with massicott, from the upper levels of the mine (Pinch and Wilson, 1977; Gebhard, 1999).

As minute blackish-brown crystals "in the lower oxidation zone" (Pinch and Wilson, op.cit.).