Herderite - Aracuai, Minas Gerais, Brazil 
 ex collection Robert Scheck
 
 Aesthetic group of several Herderite crystals. The specimen is unharmed except for one contact point. The Herderit has a very good luster and an interesting sculptural structure. Pieces of this size, quality and aesthetics are rare and very popular with collectors.
 Find from the 1980s.