Rocks And Minerals Flashcards
1
Q
Crystalline
A
Having a repeating, ordered, inside structure
2
Q
Minerals
A
Naturally- occurring non-living solids that have a crystalline structure
3
Q
Color
A
The color or range of colors that a mineral usually appears to be
4
Q
Luster
A
The way in which the surface of a mineral reflects light
5
Q
Streak
A
The mark left behind after rubbing a mineral on a hard, rough, white surface
6
Q
Cleavage
A
The way some minerals break along flat planes to form regular shapes
7
Q
Fracture
A
The way minerals can break into random pieces with no regular shape
8
Q
Hardness
A
Describes how easy a mineral can be scratched
