Define the Following Properties

Rock and Mineral Review

Minerals are: ______

______

Define the following properties:

Luster: ______

 ______: ______

Transparency: ______

 ______: ______

Color: ______

Streak color (what is it and how is the test done?): ______

______

Hardness (what is it and how is the test done?): ______

______

Mohs Harness Scale: (what it is and make sure you know the hardness of the minerals on page B-17 – also know the hardness of a fingernail (2.5), copper (3.0), and glass (5.5): ______

______

Reaction to hydrochloric (HCl for) acid test: ______

______

Crystalline structure: ______

Cleavage: ______

Fracture: ______

What are rocks? (Look at Activity 17 for help.) ______

______

Magma: ______

Lava: ______

Rock Types

 Igneous: (intrusive, extrusive) ______

______

 Sedimentary: ______

______

 Metamorphic: ______

______

Law of Superposition: ______

Geologist: ______

Index fossil: ______

______

Trace fossil: ______

______

The Rock Cycle