8.0 on the Mohs scale.

Brazil, U.S., Sri Lanka (Ceylon), Myanmar (Burma), former USSR, Australia, Pakistan, Mexico, Tasmania, Japan, Africa. Topaz and citrine are the birthstones of the month of November.

Orange in color.

Silver topaz (colorless), treated with a diffusion process to produce a permanent and stable orange color.

More information on gemstone enhancements.

Poppy Topaz is a member of the Precious Topaz gemstone family.