In warm or cool tones, topaz is a lustrous and brilliant gem. Blue topaz is widely used and available but is also available in Honey yellow. Fiery orange. Cyclamen pink. Top sources include Ouro Preto, Brazil, and Russia Ural Mountains.Blue Topaz is a birthstone for December and also is the gem of the 4th anniversary.
Blue gems are widely available.
Topaz used in jewelry is typically eye clean with no visible inclusions.
Topaz crystals are usually columnar, and cut as oval or pear shapes to improve yield.
Topaz often forms as large crystals. These can yield sizable cut gems.
The royal court in Portugal celebrates the discovery of Imperial topaz in 1768.
A transparent topaz crystal discovered in Minas Gerais, Brazil weighs an astounding 596 pounds.
Irradiating colorless topaz with electrons at energy of 10 million electron volts creates a sky blue color.