Mineral Identification

3. An inorganic, naturally occurring solid with a specific chemical composition.
7. Describes the metallic or nonmetallic way that a mineral reflects light from its surface.
8. This mineral has a hardness of 3 with rhombohedral cleavage.
10. The luster of galena.
11. This mineral has a hardness of 6.5-7.5 and can be dark red.
14. This is the softest mineral on page 16.
16. This is how many minerals have cleavage according to page 16 of the reference table.
17. This mineral can be black or dark green, can scratch fluorite but is scratched by Potassium Feldspar.

1. This mineral can be easily scratched by a fingernail, has cleavage, a metallic luster, and has a blacks streak?
2. Ability of a mineral to break evenly along one or more flat planes due to its internally arrangement of atoms.
4. When a mineral breaks unevenly
5. This is the chemical element "F"
6. The hardness of quartz.
9. This mineral has a hardness of 2.5 and can melt ice.
11. This mineral has a hardness of 2.5 and is an ore of lead.
12. This mineral has a white-yellow streak.
13. The color a mineral leaves after rubbing it on a porcelain plate
15. The chemical symbol for this element is "Fe"