Susannite


Composition: Pb4(SO4)(CO3)2(OH)2
Crystal System : Trigonal
Colours: Colourless, pale-green, yellow
Lustre : Adamantine
Hardness (H) : 2.5-3.0
Specific Gravity (S.G) : 6.55
References: Gebhard (1999)

Distribution

Extremely rare. Second oxidation zone (?)

Occurrence

  • Supergene
  • 2nd Oxidation Zone

Notable Finds

A single 80 mm crystal is in the collection of Georg Gebhard, and is believed to have been collected from the second oxidation zone In the late 1970s.

Paragenetic and General Notes

Susannite is trimorphous with leadhillite and macphersonite.