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MINERALS. Chapter 3. What is a Mineral?. A mineral is a naturally occurring, inorganic solid with a definite structure and composition. Inorganic – not alive, never was alive, and not made by life processes. 5 Characteristics of Minerals. All minerals are formed by natural processes.
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MINERALS Chapter 3
What is a Mineral? • A mineral is a naturally occurring, inorganic solid with a definite structure and composition. • Inorganic – not alive, never was alive, and not made by life processes.
5 Characteristics of Minerals • All minerals are formed by natural processes. • Minerals are inorganic • Minerals are all solids • Every mineral is an element or compound • All minerals have crystals.
3 Ways Minerals Form • Cooling of Magma 2. Minerals are dissolved in liquids – and then are left behind when the liquid evaporates. 3. Falling out of a solution (precipitation)
Zircon - Tetragonal Quartz - Hexagonal Garnet - cubic Gypsum - Monoclinic Feldspar - Triclinic Sulfur - Orthorhombic
Uses of Minerals • Gems-rare, beautiful, highly prized minerals • Ores-mineral mined for a profit • Titanium-Strong, lightweight, nontoxic ore that can be used in airplanes, artificial body parts, sporting equipment, wheelchairs, etc.