Minerals. Minerals. Naturally occurring Inorganic Crystalline solid (atoms are arranged in a repeating pattern) Definite chemical composition. Why do we study Minerals?. Starting point for all geologic formations and activity
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Most minerals are compounds made from different elements
8 most common elements:
Oxygen, Silicon, Aluminum, Iron, Calcium, Sodium, Potassium, MagnesiumMinerals Can Be Elements or Compounds
Moh’s Hardness Scale: The hardness of minerals relative to each other/scratching implements.
These are labeled 1-10, 1 being the softest, 10 the hardest.Mohs Hardness Scale
Mica 2 Types
-A mineral consisting of a metal element combined with oxygen
-A mineral consisting of a metal element combined with sulfur