Emerald, ruby, opal, gems and jewels. These words have been in our vocabulary
for thousands of years. However, defining what a
Dec 21, 2007
There are over two hundred recognised
Apr 16, 2012
From abalone to zircon, learn about
A precious or semiprecious stone that may be used as a jewel when cut and polished. American Heritage® Dictionary of the English Language, Fifth Edition.
Many minerals form beautiful crystals, but the most prized of all are
Some stones form especially large, striking, colorful, and hard-wearing crystals.
Tourmalines have a variety of exciting colors with one of the widest color ranges
Jun 6, 2013
Detailed information and photos for over 100