Description
Rare species Berziliite from the famous Swedish typelocality Långban near Filipstad of Värmland. The Berzeliite here features several yellow phenocrysts in typically matrix. Berzeliite is a rare arsenate and named by O. Kuhn in 1840 for Jöns Jakob Berzelius, Swedish chemist [August 20, 1779 Linköping, Sweden - August 7, 1848 Stockholm, Sweden]