. . . . "periclase"^^ . "periclase"@en-us . . "114690607"^^ . . "14690607-n"^^ . . "magnesium oxide"@en-us . "a white solid mineral that occurs naturally as periclase; a source of magnesium"@en-us . "113850567"@en-us . . . . "a white solid mineral that occurs naturally as periclase; a source of magnesium"@en-us . "0"^^ . . . "110530259"@en-us . "0"^^ . . "magnesia"@en-us .