Rocks, Minerals, and Gems

Determined by a scratch test...

• hardness
• cleavage
• fracture
• streak

How a mineral reflects light from its surface...

• color
• luster
• fracture
• streak

Color of a mineral in powdered form...

• color
• luster
• fracture
• streak

Mass divided by volume...

• density
• luster
• fracture
• streak

How a mineral appears (brown, green, etc.)...

• color
• luster
• fracture
• streak

This image is representing...

• The rock cycle
• sedimentary rocks
• igneous rocks
• metamorphic rocks

Compaction and cementation will  form...

• magma
• sedimentary rocks
• igneous rocks
• metamorphic rocks

Weathering and erosion form...

• magma
• sediments
• igneous rocks
• melting

Heat and pressure will form form...

• magma
• sediments
• igneous rocks
• metamorphic rocks

Heat and pressure will form form...

• magma
• sediments
• igneous rocks
• metamorphic rocks