These rocks were all collected at the Jakobsberg mine dump near Filipstad, Sweden. The dump is really just a bunch of rocks spread around the forest floor. Oh, but what rocks!! MInerals shown include calcite, svabite, johnbaumite, dolomite, margarosanite, cymrite, barite and a bunch of others things that I cannot identify*... Lit using Short Wave Ultraviolet Light from a SuperBright II. *Stay tuned - my son is exploring some of these rocks with a scanning electron microscope. These are...