names - Diamond Slave and Brazilian Sapphire are no longer used; but
Bohemian Topaz, Madeira Topaz, Golden Topaz, Occidental Topaz, Spanish
Topaz, Indian Topaz are names still in use but are not officially
The name Topaz comes
from the Sanskrit meaning fire.
can occur in enormous
sizes, one comes in at 1000
However, cut stones of the prized, Imperial
Topaz colours of orange,
pink and red, are not common.
Fine pinks and reds above 5 carats and pure orange above 20 carats are
Orbital Joe via Flickr.com
The name “Imperial Topaz” was originally given to Pink Topaz mined in
the Ural Mountains in 19th century Russia, where they were restricted
to the royal family of the Czar.
Today Imperial Topaz can be yellow, pink and pink-orange while Precious
Topaz is bright orange.
By Dave Merrill via Flickr.com
Most Topaz is wine, pale yellow, soft-grey, reddish-orange, greenish or
Naturally occurring blue topaz is rare.
Eelco via Flickr.com
Typically, colourless, grey or pale yellow and pale blue material is
heat treated and irradiated to produce a darker blue.
Mystic Topaz is
Topaz which has been artificially coated
giving it a rainbow effect.
the justified sinner via Flickr.com Topaz
occurs in localities around the world - Australia,
America, Afghanistan, Brazil, Italy, Japan, Nigeria, Sri Lanka, Sweden,
Russia, Burma, Pakistan, America and Mexico.
one of the hard
gemstones, but does not appreciate rough
treatment due its crystal structure.