1. Earth Science 1/4 20 Minerals – building block of rocks 4 components
Solid formed by nature
Not formed by a living thing
Have a crystal form
Have their own set of properties

2. Earth Science 1/4 20 Minerals – building block of rocks 4 components
Properties
Breakage
Cleavage – breaks along a smooth, flat surface
Fracture – breaks along a rough, uneven surface

3. Earth Science 1/4 20 Minerals – building block of rocks 4 components
Properties
Breakage
Cleavage
Fracture
Color
may be one color or different colors

4. Earth Science 1/4 20 Minerals – building block of rocks 4 components
Properties
Breakage
Cleavage
Fracture
Color
Streak
color of the mark left on white tile (always the same)

5. Earth Science 1/4 20 Minerals – building block of rocks 4 components
Properties
Breakage
Cleavage
Fracture
Color
Streak
Luster
reflection of light – shiny, glassy, dull, metallic, oily, etc.

6. Earth Science 1/4 20 Minerals – building block of rocks 4 components
Properties
Breakage
Cleavage
Fracture
Color
Streak
Luster
Hardness
how hard or soft a mineral is (ability to resist being scratched)