The chemical formula of dolomite is CaMg(CO₃)₂.
Physical Properties of Dolomite:
Properties |
Details |
Cleavage |
Perfect in three directions, producing rhombohedral fragments |
Color |
Colorless, white, gray, pink, brown, or black |
Crystal System |
Trigonal |
Density |
2.8 to 2.9 g/cm³ |
Fracture |
Subconchoidal to uneven |
Hardness |
3.5 to 4 on the Mohs scale |
Luster |
Vitreous to pearly |
Refractive Index |
1.50 to 1.68 |
Streak |
White to gray |
Transparency |
Transparent to translucent |
Chemical Properties of Dolomite:
Properties |
Details |
Chemical Formula |
CaMg(CO₃)₂ |
Composition |
Calcium magnesium carbonate |
Melting Point |
Approximately 1650-1750°C (3000-3182°F) |
pH |
Neutral to slightly basic (pH 7-8) |
Reaction with Acid |
Reacts slowly with dilute hydrochloric acid to produce effervescence |
Solubility |
Slightly soluble in water |
Thermal Decomposition |
Dolomite decomposes to form calcium oxide (lime) and magnesium oxide (periclase) when heated strongly |
Weathering |
Susceptible to weathering and dissolution in the presence of acidic waters |
Reactions of dolomite with Alkali Metal
Alkali Metal |
Reaction |
Lithium (Li) |
no reaction occur hence no product formed |
Sodium (Na) |
no reaction occur hence no product formed with sodium. |
Potassium (K) |
no reaction occur hence no product formed with potassium. |
Rubidium (Rb) |
no reaction occur hence no product formed with rubidium. |
Cesium (Cs) |
no reaction occur hence no product formed with cesium. |
Francium (Fr) |
no reaction occur hence no product formed with francium. |
Reactions of dolomite with Alkaline Earth Metal
Alkaline Earth Metal |
Reaction |
Beryllium (Be) |
no reaction occur hence no product formed with beryllium. |
Magnesium (Mg) |
no reaction occur hence no product formed with magnesium. |
Calcium (Ca) |
no reaction occur hence no product formed with calcium under normal conditions. |
Strontium (Sr) |
no reaction occur hence no product formed with strontium. |
Barium (Ba) |
no reaction occur hence no product formed with barium. |
Radium (Ra) |
no reaction occur hence no product formed with radium. |
Reactions of dolomite with Transition Metal
Transition Metal |
Reaction |
Scandium (Sc) |
no reaction occur hence no product formed with scandium. |
Titanium (Ti) |
no reaction occur hence no product formed with titanium. |
Vanadium (V) |
no reaction occur hence no product formed with vanadium. |
Chromium (Cr) |
no reaction occur hence no product formed with chromium. |
Manganese (Mn) |
no reaction occur hence no product formed with manganese. |
Iron (Fe) |
no reaction occur hence no product formed with iron. |
Cobalt (Co) |
no reaction occur hence no product formed with cobalt. |
Nickel (Ni) |
no reaction occur hence no product formed with nickel. |
Copper (Cu) |
no reaction occur hence no product formed with copper. |
Zinc (Zn) |
no reaction occur hence no product formed with zinc. |
Yttrium (Y) |
no reaction occur hence no product formed with yttrium. |
Zirconium (Zr) |
no reaction occur hence no product formed with zirconium. |
Niobium (Nb) |
no reaction occur hence no product formed with niobium. |
Molybdenum (Mo) |
no reaction occur hence no product formed with molybdenum. |
Technetium (Tc) |
no reaction occur hence no product formed with technetium. |
Ruthenium (Ru) |
no reaction occur hence no product formed with ruthenium. |
Rhodium (Rh) |
no reaction occur hence no product formed with rhodium. |
Palladium (Pd) |
no reaction occur hence no product formed with palladium. |
Silver (Ag) |
no reaction occur hence no product formed with silver. |
Cadmium (Cd) |
no reaction occur hence no product formed with cadmium. |
Reactions of dolomite with Non-Transition Metal
Non-Transition Metal |
Reaction |
Aluminum (Al) |
no reaction occur hence no product formed with aluminum. |
Gallium (Ga) |
no reaction occur hence no product formed with gallium. |
Indium (In) |
no reaction occur hence no product formed with indium. |
Tin (Sn) |
no reaction occur hence no product formed with tin. |
Thallium (Tl) |
no reaction occur hence no product formed with thallium. |
Lead (Pb) |
no reaction occur hence no product formed with lead. |
Bismuth (Bi) |
no reaction occur hence no product formed with bismuth. |
Polonium (Po) |
no reaction occur hence no product formed with polonium. |
Nitrogen (N) |
no reaction occur hence no product formed with nitrogen. |
Phosphorus (P) |
no reaction occur hence no product formed with phosphorus. |
Oxygen (O) |
no reaction occur hence no product formed with oxygen. |
Sulfur (S) |
no reaction occur hence no product formed with sulfur. |
Selenium (Se) |
no reaction occur hence no product formed with selenium. |
Fluorine (F) |
no reaction occur hence no product formed with fluorine. |
Chlorine (Cl) |
no reaction occur hence no product formed with chlorine. |
Bromine (Br) |
no reaction occur hence no product formed with bromine. |
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