Proustite – Cross "Christian-Sth." and "New Hope Flat," 5th level, Himmelfahrt mine, Freiberg, Saxony, Germany
 The reddish specimen consists of a vein ore piece extremely rich in proustite. The proustite appears on the surface in a crystalline crust.
 The red of the proustite is clearly visible even in poor lighting.
 Rare classic with old label from the state mineral depot in Freiberg.