Imperial Topaz

Precious gem Topaz

8Hardness (Mohs)

Al₂SiO₄(F,OH)₂:CrChemistry

1Known origins & mines

Sherry-to-pink topaz named for Brazilian emperors, mined almost exclusively at Ouro Preto, Minas Gerais since the 1730s gold rush. Untreated pink imperial topaz is among the rarest of all colored gems.

Known origins & mines

Ouro Preto Imperial Fields · Brazil

Active mining · Legendary locality

Sherry-gold imperial topaz occurs nowhere else in quantity: colonial Ouro Preto baroque churches even wear topaz roof tiles. The Capão mine …

Mineral family: Topaz

Topaz