1. ROCKS AND MINERALS

2. A mineral is a inorganic solid, homogeneous, chemically defined.

3. The minerals have certain properties, or characteristics, that help to identify them. Minerals can be identified by:
-Their color.
-Luster.
-Streak.
-Cleavage.
-Hardness.
-Specific gravity.
-Chemical composition.

5. A rock is made up of 2 or more minerals.

6. Types:
Sedimentary
Metamorphic
Igneous

8. A gemstone is a mineral that is rare, beautiful, and durable.
Gemstones are often what people mean when they talk about "crystals"

9. BIRTHSTONES
January: Garnet
February: Amethyst
March: Aquamarine

10. April: Diamond
May: Emerald
June: Moonstone

11. July: Ruby
August: Peridot
September: Sapphire

12. October: Tourmaline
November: Yellow Topaz
December: Turquoise