Magnesite
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Magnesite is a mineral with the chemical formula MgCO3. Iron, manganese, cobalt, and nickel may occur as admixtures, but only in small amounts. Magnesite occurs naturally in both cryptocrystalline and
Magnesite crystals from Brazil (11.4 × 9.2 × 3.6 cm)
Difference between cryptocrystalline and crystalline magnesite.
Polished and Dyed magnesite beads
Magnesite of Salem
Magnesium oxide
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Magnesium oxide, or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium. It has an empirical formula of MgO and consists of a lattice of Mg2+
Magnesite
…occurs naturally in both cryptocrystalline and crystalline forms depending on the conditions of formation. Magnesite is used in the production of magnesium oxide for the refractory lining of kilns and furnaces, as well as artistically in jewelry and sculpture. Since it may be formed by carbonation of magnesium…
Magnesium oxide
Unpolished MgO crystal