Everything you ever wanted to know about saltwater pearls. Find value guides, scientific data, expert comments, and more in our Gemstone Listings.
Gemologists can use dye testing to determine if a gemstone has been dyed to alter its color. Learn how to perform this procedure safely here.
Acid testing is a destructive procedure gemologists can use to determine if some pieces are real or fake. Learn how to perform the test safely here.
These cleaning tips will make polishing silver jewelry a little easier. Learn how to prevent tarnish and how to clean silver and pearl jewelry, too.
Learn about some gemstones said to have physical and emotional healing benefits.