Rocks and minerals Flashcards
(4 cards)
1
Q
Mineral
A
A substance that is formed naturally in the earth is inorganic has definite che,ical composition and has a crystal structer
2
Q
Streak
A
The color of a minerals powder when it is rubbed against a porcelin
3
Q
Luster
A
The way the surface of a mineral reflects light
4
Q
Inorganic
A
Not derived from living matter