Mineralogy (carbonates): Which mineral contains both magnesium and calcium in its composition? Identify the double carbonate featuring Ca and Mg. Choose the correct option.
IIT JEE
Chemistry
Difficulty: Easy
Choose an option
-
AMagnesite
-
BCalcite
-
CCarnallite
-
DDolomite
Answer
Correct Answer: Dolomite
Explanation
Concept/ApproachDolomite is CaMg(CO3)2, a double carbonate of calcium and magnesium. Magnesite is MgCO3; Calcite is CaCO3; Carnallite is KMgCl3·6H2O.
Final AnswerDolomite