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what is a rock?
rocks are any hard part of earth and can be a mixture or a substance.
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what is a mineral?
minerals are a naturally occuring substance from earth. minerals have a chemical formula and are never a mixture.
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what is a sedimentary rock?
sedimentary rocks have formed from peices of rocks cemented together.
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what is a igneous rock?
igneous rocks are rocks that have been melted and cooled.
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what is a metamorphic rock?
metamorphic rocks are rocks that have been changed by heat and pressure.
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what do mineral test to identify rocks include?
mineral tests that identify rocks include hardness, reaction with acid, streak, color and fracture.
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what are the uses of quartz?
Quartz is used in the making of sandpaper, optics, glass, liquid filters, circuit boards, computer components, cement , mortar, and jewelry.
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what are the uses of calcite?
The uses for calcite are, medicine, toothpaste, bldng. materials ( hard water deposit, ancient sea beds.)
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what are the uses of halite?
Halite is a non-metallic mineral that has uses that include table salt and road salt. It can also be used in water softeners and as a preservative. It also is used for sodium ore.
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what are the uses of galena?
Galena is used as the most important ore of lead.
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what are the uses of sulfur?
Sulfur is used in the production of sulfuric acid, matchmaking, explosives, fungicides, insecticides, tire making, agriculture, and medicine.
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