Based on the word "topaz", the extra "z" makes this flexible domain stand out from the crowd.
The word "topazz" contains only six characters and just two syllables. Two-syllable names are extremely rare and extremely desirable. Leading companies using two syllable names include Honda, Lego and Subway.
This domain was first registered in January 2002. Older domains have an advantage when ranking in search engines.
Topazz.com is a dot com domain. Dot com domains are the most desirable domain extension in the world, used by famous websites like facebook.com. When most people think of a website, they think of a dot com.