Iridium (Var: Osmiridium), Osmium (Var: Iridosmine), Rutheniridosmine
Adamsfield, Derwent Valley municipality, Tasmania, Australia
This nugget was found by a Mr Byorklund at Adamsfield in the 1920's. It stayed in his collection until he died and was passed to his son, Gus Byorklund of Hobart, Tasmania. The specimen stayed with him till 1992, when it was purchased by Christo Lees (Hobart), then sold to an Australian mineral dealer in October 2011, and purchased by myself in ...