Excellent Deep Green Bayldonite

 Copyright © Rob Lavinsky

Bayldonite  | ‪#‎Geology‬

System: Monoclinic
Colour: Green, apple-green, ...
Lustre: Resinous, Waxy, Greasy
Hardness: 4½

This is a complete-all-around, radiating spray of glistening, sparkly, grass-green bayldonite that has completely replaced a mimetite cluster. It dates from the first oxidation zone, 1890s-1910s at the latest. Ex. Sussman and Dr. Georg Gebhard Collections. 

Locality: Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia