Moshe (not his real name, lest the wrong people read this) looks like any other religious Jewish man in Jerusalem â dark hair, dark beard, wire-rimmed glasses, poring over a Talmudic tome in a yeshiva.No one would suspect that he is the great-great-grandson of a former Shah of Iran.oshe (not his real name, lest the wrong people read this) looks like any other religious Jewish man in Jerusalem â dark hair, dark beard, wire-rimmed glasses, poring over a Talmudic tome in a yeshiva.
This article is about aluminium(III) oxide, Al 2 O 3. For other uses, see Aluminium oxide (compounds) . Aluminium oxide is a chemical compound of aluminium and oxygen with the chemical formula Al 2 O 3. It is the most commonly occurring of several aluminium oxides, and specifically identified as aluminium(III) oxide.
(É-l'mÉ-nÉ) Any of several forms of aluminum oxide used in aluminum production and in abrasives, refractories, ceramics, and electrical insulation. Alumina occurs naturally as the mineral corundum and, with minor traces of chromium and cobalt, as the minerals ruby and sapphire, respectively.