Geology; Minerals Flashcards
1
Q
Q
What are the 4 questions asked when determining if a substance is a mineral?
A
A
1) Is it solid?
2) Is is organic?
3) Does it have a crystalline structure?
4) Is it nonliving material?
2
Q
Q
What is Luster?
A
A
Metallic/non metallic
3
Q
Q
What is Cleavage?
A
A
The split of a mineral along a smooth flat surface
4
Q
Q
What is Hardness?
A
A
Ability to resist scratching.
5
Q
Q
What is Fracture?
A
A
How a mineral breaks along a curved surface
6
Q
Q
What is Streak?
A
A
The color of the powder left behind
