Topaz is allochromatic, which means that its color is caused by impurity elements or defects in its crystal structure rather than by an element of its basic chemical composition. The element chromium causes natural pink, red, and violet-to-purple colors in topaz.

Does topaz come in different colors?

Topaz actually has an exceptionally wide color range that, besides brown, includes various tones and saturations of blue, green, yellow, orange, red, pink, and purple. Colorless topaz is plentiful, and is often treated to give it a blue color.

What is the true Colour of topaz?

Topaz (/ˈtoʊˌpæz/ TOH-paz) is a silicate mineral of aluminium and fluorine with the chemical formula Al₂SiO₄(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, golden brown to yellow orange.