minrals Flashcards
Mineral
mineral a substance that is formed naturally in the earth is internet has a definite chemical composition and has a crystal structure
streak
The colors of minerals powder when it is rubbed against a porcelain plate
luster
the way the surface of a mineral reflects light
inorgenic
not derived from living matter.
crstal
a solid formation that follows a pattern
hardenns
the ability of a mineral to scratch or be scratched by another mineral
cleavage
the tendency if crystals and minerals to break along definite planes resulting in smooth surfaces
fracture
the appearance of a freshly broken surface on a mineral that has a rough or irregular surface.
mohs hardess scale
a hardness scale used to classify minerals.
formale
ste of cmeachs symbols showing the make of a chmials compound