Mining and Locations
Topaz is mined through both open-pit and underground mining methods, depending on the geological setting. It forms in cavities within granite and rhyolite rocks and is often found in pegmatites and alluvial deposits.
The major topaz producing regions include:
- Brazil – Particularly the Minas Gerais region, known for producing high-quality imperial topaz.
- Russia – The Ural Mountains have historically been a significant source.
- Pakistan – The Gilgit-Baltistan region provides striking pink and reddish-orange topaz.
- United States – States like Utah and Texas have notable topaz deposits.
- Sri Lanka – Known for producing a variety of colors.
Orange topaz is the state gemstone of the US state of Utah.
Blue topaz is the state gemstone of the US state of Texas.
The 4th wedding anniversary gem is blue topaz.
