This is a popular family with three different shades of blue: Sky Blue, Swiss Blue and London Blue topaz. Sky blue is very much like aquamarine in its color range. London blue is a darker blue tone and Swiss blue is the bright, electric, more vivid blue of the three.
There are commonly three colors of blue topaz on the market today. Sky blue, Swiss blue, and London blue. All of the colors are produced using a combination
Topaz can be found in almost every color, but blue topaz is the most popular.
Blue topaz is one of the most popular colored gemstones. There are. There are three different irradiation methods used to produce blue topaz. One method .
Topaz comes in various colors of blue. Broadly, on the basis of color it can be classified into three categories. The above Topaz color chart explains everything