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25 Cards in this Set
- Front
- Back
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Color Test
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Least dependable because of impurities.
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Luster Test
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The way a mineral refracts light.
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List the four terms used to describe a minerals luster.
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Earthy, greassy, dull, and pearly.
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Streak Test
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The color of the residue left by a mineral when rubbed against a porcalin plate or slab.
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Hardness Test
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A minerals streangth.
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Cleavage
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Defined angles in the way a mineral breaks.
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Fracture
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Random breaks in a mineral.
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All rocks are made of...
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Minerals
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Minerals are made up of at least two different types of...
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Atoms
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The two most common elements in the earths crust are...
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Silicon and Oxygen
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The two elements that make up 50% of the minerals in the earths crust are...
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Quarts and Feldspar
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Muscovite
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Used to make windows, fake snow, and electrical insulation.
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Talc
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The softest mineral. It is used in talcum powder.
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Pyrite
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Know as fools gold, it is harder than real gold.
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Galena
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Is the chief ore of lead. It often contains silver.
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Graphite
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It is used in pencils.
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Hematite
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Major ore of iron.
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Quartz
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Also know as sand. It is used to make glass.
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Gypsum
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Used to make dry wall and other plaster products.
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Halite
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Also know as salt.
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Chalcopyrite
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The main copper ore.
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Biotite
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It is used as an insulator.
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Sulfer
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It is used in plant sprays, meddical shampoos, and sulfuric asid.
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Magnetite
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Also know as iron oxide, it is the most magnetic mineral.
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Calcite
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It si used in antacids, optical instruments, and is also a part of limestone.
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