Dioptsae, Calcite and Plancheite    Omaue Mine, Kaokveld, Namibia, Africa.  Ex. Anthony P. Dunn Collection.  Circ. 1975.  4.7 x 2.7 x 2.3 cm piece with white calcites and bright green dioptase.  Also on the specimen are coatings and stalactites of plancheite.  No damage.  Minor rubber cement on base of specimen.  This is a very nice piece of this uncommon material for the price…125$