From Wikipedia, the free encyclopedia. Citrine /ËsÉªtriËn/ is a colour, the most common reference for which is certain coloured varieties of quartz which are a medium deep shade of golden yellow.Citrine has been summarized at various times as yellow, greenish-yellow, brownish yellow or orange.rom Wikipedia, the free encyclopedia. Citrine /ËsÉªtriËn/ is a colour, the most common reference for which is certain coloured varieties of quartz which are a medium deep shade of golden yellow.
indium oxide. thallium oxide. Aluminum Oxide is a chemical compound consisting of two aluminum ions and three oxygen ions demonstrated by the formula Al 2 O 3 Another commons name for aluminum oxide is aluminium oxide which is its proper name.It may also be referred to as aloxide, aloxite, or alundum.ndium oxide. thallium oxide. Aluminum Oxide is a chemical compound consisting of two aluminum ions and three oxygen ions demonstrated by the formula Al 2 O 3 Another commons name for aluminum oxide is aluminium oxide which is its proper name.
Conversion of the aluminium oxide into aluminium by electrolysis The aluminium oxide is electrolysed in solution in molten cryolite, Na3AlF6. Cryolite is another aluminium ore, but is rare and expensive, and most is now made chemically.