Everything you ever wanted to know about turquoise. Find value guidelines, scientific data, expert comments, and more in our Gemstone Listings.
Revered for millennia, sky blue turquoise still has a dedicated following. Our turquoise buying guide can help you pick a gem for your next jewelry project.
Many people consider beautiful sky blue turquoise stones to be lucky. Learn about the turquoise symbolism and lore of Native American and other cultures.
Learn how one man discovered beautiful California turquoise gemstones by taking the time to appreciate Nature's beauty. Take his desert prospecting advice.
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.
Many varieties of gems besides diamond can be created in the laboratory. Our synthetic gemstone guide covers many examples and explains their manufacture.