| M Formula: | CaMg(CO3)2 |
| Properties: | |
| Color gray, pink, white; vitreous luster. D 2.85, Mohs hardness 3.5–4; good cleavage in three directions. Similar to calcite but less soluble in acids (reacts with acid when powdered or with hot acid). Noncombustible. | |
| Use: | |
| Refractory for furnaces; manufacture of magnesium compounds and magnesium metals; as building material; in fertilizers; stock feeds; papermaking; ceramics; mineral wool; removal of sulfur dioxide from stack gases. | |