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.
Black oxide is a conversion coating formed by a chemical reaction produced when parts are immersed in the alkaline aqueous salt solution operated at approximately 285 degrees F. The reaction between the iron of the ferrous alloy and the hot oxide bath produces a magnitite (Fe3 O4) on the actual surface of the part.