Research By: Julianna


-There are thousands of minerals on the planet Earth.

-100 minerals are considered common.

How Do I Identify Minerals?

Minerals are identified by four characteristics:

  1. Luster - Metallic or nonmetallic
  2. Cleavage- Controls the splitting of a mineral
  3. Hardness- Some minerals can scratch things while others get scratched.
  4. Color- Some minerals come in a specific color

Friedrich Mohs

  • The year of 1812, a scientist from Australia created a scale. The scale told people how hard rocks were. His name was Friedrich Mohs.

  • People today still use his chart.
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How Do We Use Minerals?

We use minerals in a lot of different ways for example:

  • Pencils
  • Jewelry
  • Tools
  • Paper clip
  • Hammers
  • Coins

Native Americans used Minerals for:

  • Hand axes
  • Knives
  • Sharpeners

Fun Facts

*Did you know that the most common mineral on the Earth {Basalt Mineral} is also one of the most common on the Moon?

*Did you know that Devils Tower in Wyoming , Was created by a volcano that hardened and formed a mountain of rocks and minerals!


-Symes D.r R.F. Rocks and Minerals. DK Ink., 2004

-World Book Encyclopedia. Vol. 13. World Book, Inc., 2006