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Dolomite (mineral)
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<p>Dolomite is an <a href="/facts/Anhydrous/A7B0fDLE">anhydrous</a> <a href="/facts/Carbonate_mineral/8DUmuAhp">carbonate mineral</a> composed of <a href="/facts/Calcium/hf252CC0">calcium</a> <a href="/facts/Magnesium_carbonate/ymvhw5R8">magnesium carbonate</a>, ideally CaMg(CO3)2. The term is also used for a <a href="/facts/Sedimentary/HQDCjrco">sedimentary</a> <a href="/facts/Carbonate_rock/pKYTxRkM">carbonate rock</a> composed mostly of the mineral dolomite (see <a href="/facts/Dolomite_(rock)/EGXDL0zm">Dolomite (rock)</a>). An alternative name sometimes used for the dolomitic rock type is dolostone. </p>