Minerals Flashcards
1
Q
What is a mineral?
A
Any type of substance created in nature.
2
Q
What is hardness?
A
A measure of whether a mineral will scratch or be scratched.
3
Q
What is a streak?
A
the color of the powder from a mineral
4
Q
What is crystal?
A
A clear and transparent mineral
5
Q
What is magnetism?
A
An attraction (ex. Magnets)
6
Q
What is a fracture?
A
A break I a mineral that is not along a cleavage plane.
7
Q
What is a gem?
A
A cut and polished rare/precious stone or pearl usually used for jewlery
8
Q
What is an ore?
A
A native metal
9
Q
What is luster?
A
The reflection of light off a minerals surface
10
Q
How many minerals have been identified?
A
2-3000
11
Q
What is a native element?
A
a mineral made of one element (sulfur, gold, copper and graphite )
