Dims: 4.5" x 3.9" x 2.6" (11.4 x 9.9 x 6.6 cm)
Wt: 2 lbs., 12.1 oz. (1.251 kg)
Malagasy Republic, Madagascar
Though many of the Celestite crystals in this specimen show damage in one form or another, the excellent form and clarity of the intact crystals is wonderful! They range in size from 2 x 3 x 3 mm to 1.0 x 0.7 x 0.6" (2.5 x 1.8 x 1.5 cm) and have the orthorombic prismatic form with complex domed terminations that one expects from material from this locality. Even the damaged crystals have excellent form, with clean, smooth faces and well-defined edges that accentuate their vitreous luster. All are colored the pale gray-blue that is common in this material, and most are transparent and quite clear; a few are astoundingly clear, so that one can see down through the faces of their terminations all the way to their bases! The underside of the specimen is quite rounded, as if it consisted of part of a nodule, but strangely enough, there is no edge- the rounded area is adjacent to the crystals, so I can't really tell how the specimen grew in its place of origin. It is almost completely Celestite by mass, though, as there is only a very thin coating of the tan host rock on its rounded underside.