ARTICLES

Limestone contains at least 50 percent calcium carbonate by weight. When placed in hydrochloric acid, limestone effervesces, or creates bubbles, due to the formation of carbon dioxide. Calcium carbonate is found in many ...

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Some interesting facts about calcite are that it is part of the Earth's crust and has the chemical name of calcium carbonate. Its chemical formula is CaCO3. Calcite is found in nature in many different shapes and colors ...

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Most caves are made in a specific landscape known as karst. Gypsum rocks, limestone and dolomite are dissolved by acidic rain to form caves. It takes more than 100,000 years for most caves to become large enough to accom...

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SIMILAR ARTICLES

Limestone is a sedimentary rock that is at least 50 percent calcium carbonate, and is found in nature in the form of the mineral calcite. Calcium carbonate has the molecular formula CaCO3. The formation of limestone can ...

www.reference.com/article/limestone-made-5dd3d16b631c71fe

Chalk is calcium carbonate and has the same chemical composition as limestone, marble, ground calcium carbonate and precipitated calcium carbonate. Chalk, like the other types of calcium carbonate, is in the form of calc...

www.reference.com/science/chemical-composition-chalk-77236e4f4cdea582

Bauxite is a rock formed in wet, tropical climates when soluble materials leach into silica rocks. Bauxite is the principle ore from which most of the world's pure aluminum is extracted for commercial use. As of 2010, th...

www.reference.com/article/interesting-bauxite-da81b128e7d26599

Some interesting facts about sandstone are that it is composed of cemented sand and therefore is a type of sedimentary rock; it has one of the larger particles of all the rock types; and it is used for building, paving, ...

www.reference.com/article/interesting-sandstone-dac32b9b1aa24869