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.
Iron oxide is any one of a range of chemical compounds made up of iron and oxygen. Most of these are naturally occurring; some form in the soil or in chemical deposits in rocks or mountains, and rust is also a very common and well-known source. Not all oxides are useful to humans, but several varieties play key roles in industry, cosmetics, and art.