a white, colourless, or lightly tinted mineral consisting of naturally occurring magnesium carbonate in hexagonal crystalline form: a source of magnesium and also used in the manufacture of refractory bricks
Magneesium esineb maakides peamiselt karbonaatidena – magnesiidina (magnesite) MgCO3, dolomiidina (dolomite) MgCO3∙CaCO3 ning kloriididena – peamiselt karnalliidina (carnallite) MgCl2∙KCl∙6H2O.