Part of a single grain of diopside showing well-developed partings parallel to the photographed face. Included in the diopside are scattered grains of black franklinite and pale pinkish-tan grains of hardystonite. The top and bottom surfaces of the specimen are lightly filmed with clinohedrite and a greenish-blue, secondary copper mineral. This handsome example is from the collection of Steven Phillips and previously was specimen no. 571 in the Richard Hauck collection.
Identifier: DPS14a Locality: Franklin mine, Franklin Specimen size: 10.5 x 6 x 5.5 cm Photo credit: Earl R. Verbeek
