Topaz in its natural state is a golden brown to yellow, a characteristic which means it is sometimes confused with the less valuable gemstone citrine. A variety of impurities and treatments may make topaz wine red, pale gray, reddish-orange, pale green, or pink (rare), and opaque to translucent/transparent.

Topaz is a fairly common and inexpensive gemstone. It can be found in huge and crystals, which can be into giant gemstones which can weigh thousands of  Some of the largest gemstone pieces ever cut were of Topaz.

Topaz is a hard and durable gemstone, and will not dissolve in most chemical . However, it does have perfect which can make it prone to chipping or forming s if banged hard. Topaz is also a  gemstone and can have varied color intensity when viewed at different angles. Due to its good cleavage and pleocroic nature, care must be exercised when  Topaz gemstones.

Blue Topaz does occur in nature, but is rare and almost always lightly color. Most if not all blue Topaz used in jewelry has been  and to artificially create the blue color. The original stones are colorless or lightly colored, and the  process gives them their deep sky-blue colors. In a few rare circumstances, some forms of blue Topaz tend to slightly fade in exposure to sunlight after extended periods of time.