Minerals vocab words Flashcards
1
Q
Mineral
A
A substance that is formed naturally in the earth, is inorganic, has a definite chemical composition and has a crystal structure.
2
Q
steak
A
The colors of minerals powder when it is rubbed against a porcelain plate.
3
Q
luster
A
The way the surface of a mineral reflects light.
4
Q
inorganic
A
not derived from living matter.
5
Q
crystal
A
A solid formation that follows a pattern.
6
Q
hardness
A
the ability of a mineral to scratch or be scratched by another mineral.
7
Q
cleavage
A
The tendency of crystal and minerals to break along definite planes resulting in smooth surfaces.
8
Q
fracture
A
The appearance of a freshly broken surface on mineral that a rough or irregular surface.