We live in a world of crystals. You don’t have to dig deep into the Earth to find them. Even the bones in our bodies and the dust in the air contain them. Learn more about crystalline minerals and gemstones as well as the crystals that grow in living beings.
Considering a conch pearl buying trip to the Caribbean? Quality factors for these gems differ from colored gemstones. Before you make a purchase, learn to evaluate their unique flame structure and other features.
From the seemingly common to the utterly obscure, you wouldn't guess these ten gemstones are rarer than a diamond! If you're looking for something unique for your next jewelry purchase, check out these ten stunning gemstones rarer than diamond.
How well do you know your birthstone gemology? Take our short quiz and learn about the composition, cutting, and value of birthstones.
In this golden age of pearls, a wide variety of shapes, sizes, and colors are available. Our pearl buying guide can help you select a pearl you’ll love.
Prized for millennia, pearls are organic gems with strong associations with The Moon, high value, and femininity. Learn more about pearl symbolism and lore.
Everything you ever wanted to know about freshwater pearls. Find value guides, scientific data, expert comments, and more in our Gemstone Listings.
Everything you ever wanted to know about saltwater pearls. Find value guides, scientific data, expert comments, and more in our Gemstone Listings.
Everything you ever wanted to know about pearls and pearl jewelry. 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.