[DOC] [TLE] Calcium carbonate - Wikipedia [PAR] Calcium carbonate is a chemical compound with the formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone, which contains both of those minerals) and is the main component of pearls and the shells of marine organisms, snails, and eggs. [DOC] [TLE] CaCO3 (chemistry) - Memidex dictionary/thesaurus [PAR] "CaCO3" (chemistry) definition: a salt found in nature as chalk, calcite, aragonite, 
or limestone. ... a chemical compound with the formula CaCO3. ... occurring 
naturally as chalk, limestone, marble, and other forms and used in a wide variety 
of . [DOC] [TLE] CALCIUM CARBONATE | CaCO3 - PubChem [PAR] Chemical Names: CALCIUM CARBONATE; Limestone; 471-34-1; Chalk; Marble; 
Calcite; More. ... An odorless, tasteless powder or crystal that occurs in nature. ... 
close to its original state of purity and delivers a finely ground product either in 
dry or slurry form. ... 3D Conformer of Parent Compound carbonic acid (CID 767). [DOC] [TLE] What is Calcium Carbonate? - Industrial Minerals Association ... [PAR] Calcium carbonate, or CaCO3, comprises more than 4% of the earth's crust and is found throughout the world. Its most common natural forms are chalk, limestone, and marble, produced by the sedimentation of the shells of small fossilized snails, shellfish, and coral over millions of years. [DOC] [TLE] Caco3 - definition of Caco3 by The Free Dictionary [PAR] A colorless or white crystalline compound, CaCO3, occurring naturally as chalk, 
limestone, marble, and other forms and used in a wide variety of manufactured... [DOC] [TLE] CaCO 2 - definition of CaCO 2 by The Free Dictionary [PAR] calcium carbonate. n. A colorless or white crystalline compound, CaCO3, 
occurring naturally as chalk, limestone, marble, and other forms and used in a 
wide... [DOC] [TLE] Calcium carbonate - The Essential Chemical Industry [PAR] Limestone and chalk are both forms of calcium carbonate and dolomite is a ... in 
the construction industry and to neutralise acidic compounds in a variety of 
contexts. ... When it is mixed with water, chemical reactions occur to form a hard 
solid, impervious to water. ... Many kilns use natural gas but in others oil is 
pumped in. [DOC] [TLE] Calcium Carbonate - Shells, Calcite, Sea, and Dioxide - JRank Articles [PAR] Calcium carbonate, CaCO3, is one of the most common compounds on Earth, ... 
It occurs in a wide variety of mineral forms, including limestone, marble, ... Dover 
in England are chalk, a soft, white porous form of limestone made from the shells
... [DOC] [TLE] What is the chemical formula for limestone? | Reference.com [PAR] Pure limestone is made up of two component minerals: calcium carbonate and ... 
Is chalk an element, compound or mixture? ... A: According to Discovering Fossils
, chalk occurs naturally in nature as calcium carbonate, a form of limestone. [DOC] [TLE] Calcium Carbonate Facts - Aragonite, Calcite, Travertine, Tufa ... [PAR] Calcium carbonate (CaCO3) is a chemical compound of calcium. ... Aragonite is 
one of two common naturally occurring calcium carbonate minerals. ... Chalk. 
Travertine. Travertine is a variety of limestone that forms usually near waterfalls in
... [DOC] [TLE] It's Elemental - The Element Calcium [PAR] Calcium carbonate (CaCO3) is one of the common compounds of calcium. ... 
Chalk, marble and limestone are all forms of calcium carbonate. ... (Ca(NO3)2), a 
naturally occurring fertilizer and calcium phosphate (Ca3(PO4)2), the main 
material... [DOC] [TLE] Calcium carbonate Formula - Calcium carbonate Uses, Properties ... [PAR] Calcium carbonate is a widely available natural inorganic compound, also known 
as ... Occurrence: Calcium carbonate occurs naturally in several mineral forms ... 
as well as the impure minerals-limestone, chalk, marble and travertine. [DOC] [TLE] BBC - GCSE Bitesize: Limestone, chalk and marble [PAR] Limestone, chalk and marble are all forms of calcium carbonate. They exist 
naturally in the Earth's crust. Limestone is a very common building ...

Question: Chalk & limestone are naturally occurring forms of this compound, CaCO3
Answer: calcium carbonate