APOPHYLLITE
Specimen apo-33
$ 45.00Dims: 3.2 x 2.6 x 1.6" (8.1 x 6.6 x 4.1 cm)
Wt: 6.91 oz. (196.0 g)
Poona, Maharashtra State, India
At least 10 small Apophyllite prisms rest on the quartz-lined basalt base rock of this hand specimen. These crystals do not exceed 0.6" (1.5 cm) in length and are in generally good condition, though the largest crystal is broken and incomplete and one other crystal is slightly scuffed along a termination face. All have excellent tetragonal form, with well-defined edges and striated but clean faces that possess the standard bright pearly-to-vitreous luster. They are colorless, transparent, and dimly to moderately clear, containing many basal-oriented internal fractures and cloudy inclusions. The quartz crust on which they rest consists a thin druse of countless tiny prisms that coats a pale gray layer of botryoidal agate, which in turn partly coats the basalt host.