mineral
A substants that is formed maturally in the earth
streak
The color of a minerals powder when it is runned against a porclain plate
Luster
the way the surface of the mineral reflects light
inorganic
not derived from living matter
a solid formation that follows a pattern
crystal
the abillty of a mineral to scratch or be scratched by another mineral
Hardness
crystalks and minerals to break a long definet planies
cleavege
freshly broken
fracture