LUSTER A useful identifying characteristic is the way in which light reflects off the surface of a mineral, called its luster.
(A useful identifying characteristic; is; the way in which light reflects off the surface of a mineral, called its luster) (light; reflects; off the surface of a mineral)
A useful identifying characteristic light
is reflects
the way in which light reflects off the surface of a mineral, called its luster
off the surface of a mineral