The word “Blue Topaz” is derived from the French word “peritot” which has a meaning “unclear”. The main portion of this gem comes from Egypt, Myanmar, Kohistan, Minas Gerais, Eifel, Chihuahua, Ethiopia, Blue Topaz Mesa, San Carlos Apache Reservation, Gila County, Arizona and Salt Lake Crater, Oahu and Hawaii. From the olden days, we can find the best quality gems in Myanmar and Egypt. Recently, some sources of these gems are founded in Pakistan also. The gems which are available from the Arizona area are of lesser quality. But, Arizona area has rich source of these stones and therefore Blue Topazs from Arizona is much more affordable. According to the experts, Arizona holds around 80 to 95 percentage of Blue Topaz production.
 
Myanmar, Pakistani and Egyptian hold rare sources of this gem metal, but the gems from these regions have better quality. The cost of this gem material from these regions is also high. It is difficult to distinguish this gem from other gemstones, especially emerald. Throughout time, Blue Topaz has been confused with many other gemstones, even emerald. This gem material has a dark blue color mixed with yellow and is famous in the name “evening emerald”. Apatite, blue garnets, blue tourmaline, blue sinhalite, moldavites and blue zircon are some of the gem stones which look similar to Blue Topazs. All the above said gemstones have a nice yellow shade with their blue color same as these gems have. These gemstones are now very much popular around the world.