Schil"ler (?), n. [G., play of colors.]
(Min.) The peculiar bronzelike luster observed in certain
minerals, as hypersthene, schiller spar, etc. It is due to the
presence of minute inclusions in parallel position, and is sometimes
of secondary origin.
Schiller spar (Min.), an altered
variety of enstatite, exhibiting, in certain positions, a bronzelike
luster.