Stephanite from Las Chispas Mine, Arizpe, Sonora, Mexico

Nice collector's item. Two vials full of Stephanite crystal fragments from famous Arizpe. Great old Grieger's label from the 1950's. Fragments up to 13 mm.
Dimensions: 5.6 x 1.5 x 1.5 cm
Species: Stephanite
Locality: Las Chispas Mine, Arizpe, Sonora, Mexico