Minerals vocab Flashcards
1
Q
Mineral
A
A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition.
2
Q
Inorganic
A
Not formed from living things or the remains of living things.
3
Q
Crystal
A
A solid in which the atoms are arranged in a pattern that repeats again and again.
4
Q
Streak
A
The color of a mineral’s powder.
5
Q
Luster
A
The way a mineral reflects light from its surface.
6
Q
Mohs Hardness Scale
A
A scale ranking ten minerals from softest to hardest; used in testing the hardness of minerals.
7
Q
Cleavage
A
A mineral’s ability to split easily along flat surfaces.
8
Q
Fracture
A
The way a mineral looks when it breaks apart in an irregular way.
