Topaz is primarily mined in Brazil and northwestern Pakistan, the Geological Institute of America reports.Other mining sites include Namibia, Nigeria, Madagascar, Mexico, Myanmar, Sri Lanka and ...

This gemstone is well-known for its "play-of-color," or ability to shift color. Opals often have a kaleidoscope of colors on their surface. This birthstone symbolizes purity, hope and truth.

There’s a fair amount of yellow, brown, and clear topaz out there, and since the eighties jewelers have been exposing some of it to radiation to create the blue color that’s popular today.