Minerals EQ4 What are three main types of
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Minerals! EQ#4 What are three main types of rocks and how are they changed from one type to another?
This week, we will… • Differentiate between a mineral and a rock. TODAY • Learn how to identify minerals based on physical characteristics TUESDAY • Practice identifying minerals. WEDNESDAY
What is a mineral? • A naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition. • TRANSLATION: it is not made by man, it was never alive, it is a solid and its particles form a repeating pattern. It is always made of the same stuff!
Minerals are Everywhere! • Quartz • Talc • Kaolinite • Barite • Copper
Minerals are Everywhere! • Graphite • Muscovite (Mica) • Halite • Gypsum • Calcite • Galena
Gems vs. Gemstones • A gemstone- a mineral, rock, or organic material that is used for jewelry or art. • A gem- is a type of gemstone that must be cut or polished for its beauty to be visible. • EVERYTHING is a gemstone. If it needs to be “prettied up”- it’s a gem. Question: Which are minerals?
How is it different from a rock? • A mineral is a pure substance. • A rock is a mixture of 2+ minerals fused or cemented together. • There are three types of rocks: igneous, metamorphic, and sedimentary.
