5777 Unknown White, Slag dumps, Tasmanian Smelting Company site, Zeehan mineral field, Zeehan district, West Coast municipality, Tasmania

Unidentified white hemispheres that have grown in a thin space in slag. They look zoned, with the outermost part having a silky lustre. Note also some complete balls in gas cavity upper left. Width of view 5.75mm. Stack of 20 images.

Slags here have lots of Pb, Fe, Zn, Mn, Cu and As.