Dims: 2.5" x 0.9" x 0.6" (6.4 x 2.3 x 1.5 cm)
Wt: 1.28 oz. (36.4 g)
Itaquassu, Esprito Santo, Brazil
This Scapolite specimen consists of a single crystal that possesses a partially complete domed termination. Its crystalline form is evident but very indistinct, so that one cannot really see its correspondence to the tetragonal system. Its luster is unusual in that the most exposed surfaces of its prism faces show a duller, almost pearly luster than the pits and pockmarks inherent in its form, which show a bright, vitreous luster. The termination shows considerable wear and a few spots seem to have almost conchoidal tendencies. The other end shows a breakage surface that has undergone obvious partial healing, and has an almost botryoidal texture to it (see the close-up image). The crystal has a pale yellow coloration and is transparent, but its heavily-striated and irregular faces make determination of its clarity very difficult. It does appear to contain many small, dark inclusions, though.