Unit 9 Lesson 1 Flashcards
1
Q
Mineral
A
Any non living solid that has a crystal form
2
Q
What defines a crystal?
A
Particles combine to form a shape that is repeated over and over again
3
Q
Hardness of a Mineral
A
The ability to scratch another mineral
The Mohs scale (1-10). The softest is 1. The hardest is 10 (diamond)
4
Q
Luster of a mineral
A
Describes how minerals reflect light. (Metallic luster, earthy luster, glassy luster)
5
Q
Cleavage
Fracture
A
When a mineral breaks with smooth straight lines
When a mineral does not break with smooth lines
6
Q
Streak
A
The color left behind when you rub a mineral against a white tile called a streak plate
