ROCKS AND MINERALS
A mineral is a inorganic solid, homogeneous, chemically defined.
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.
A rock is made up of 2 or more minerals.
Types: Sedimentary Metamorphic Igneous
A gemstone is a mineral that is rare, beautiful, and durable. Gemstones are often what people mean when they talk about "crystals"
BIRTHSTONES January: Garnet February: Amethyst March: Aquamarine
April: Diamond May: Emerald June: Moonstone
July: Ruby August: Peridot September: Sapphire
October: Tourmaline November: Yellow Topaz December: Turquoise