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Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2.It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. [7]
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Topaz (Marvel Comics), a comic book sorceress Agent Topaz, a character from the anime Sonic X; Topaz Trollhopper, a character from the animated series Trollz; Topaz Mortmain, a character from Dodie Smith's novel I Capture the Castle and its subsequent film adaptation
Topaz is not produced commercially. No context. The blue topaz is found naturally in many locations. Covered in topaz to the extent that topaz is found widely. Disputed by the article cited above. The Texas Natural Science Center exhibits a 1778 carat blue topaz found in a Brazilian mine.
The genus Topaz was introduced by the English zoologist George Robert Gray in 1840 with the crimson topaz as the type species. [2] [3] The genus contains two species, the crimson topaz and the fiery topaz. [4] Although generally considered to be distinct species, they have in the past been thought to be conspecific by some authors. [5]
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others.