to·paz | ˈtō-ˌpaz
A borosilicate of aluminum that occurs in rhomboidal crystals and is used as a gemstone
Although topaz is a hard stone, it can be susceptible to breaking.
Topaz may be found in many colors such as blue, brown, clear, green, orange, pink, red, yellow, or white. The most valuable topaz is Imperial topaz which has a golden-yellow to orange color. The most popular color is an enhanced blue, treated with heat to develop it into a rich blue color that resembles aquamarine.
Yellow quartz is sometimes called topaz but is considered false topaz.
True topaz is said to be the symbol of love and affection or to act as a protector by making the wearer invisible in emergencies.
Topaz is the birthstone for November.