Browsing Archive: October, 2011
The main ore types mined at Rosh Pinah are carbonate ore,
microquartzite ore, and arkose ore containing mainly the sulphide ore minerals
sphalerite (ZnS), galena (PbS), chalcopyrite (CuFeS2) and Pyrite (FeS).
Specimen grade sphalerite crystals are occasionally found as attractive dark
brown metallic euhedral cubes in vugs and quartz veins in this mine.
Photo. G Hinder
They can also occur as an adamantine lustre of
golden brown and even yellow green colour, but not at Rosh Pinah. These
crysta... Continue reading ...