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 in sometimes of secondary origin.
Schiller spar Min., an altered variety of enstatite, exhibiting, in certain positions, a bronzelike luster.
© Webster 1913.