Bicolor Tourmaline - A fantastic designer gemstone
Bicolor Tourmaline is an unusual, fascinating gemstone. This this type of tourmaline actually contains a "gradient" of colors. A stained navy blue on one side, shifting to red on the other. As you can imagine, these very interesting gemstones are very much in demand from jewelers, collectors, and designers. This type of tourmaline incorporates a virtual rainbow of colors, from pale tones to quite solid colors. At one of the...