AMA Gems and Minerals
Loose Australian opal, black opals, opal rough, tourmaline crystals, Lapis Lazuli, gemstones and gem rough. http://www.frozenlightning.com
Gemandgem.com Co., Ltd.
GemAndGem.com Co., Ltd. provides you all kinds of loose gemstones; Amethyst, Alexandrite, Emerald, Garnet, Ruby, Sapphire, Topaz, Tourmaline, Zircon and many more... http://www.gemandgem.com/
Specialized in colored gemstones, minerals and collector's stones coming direct from producer countries. http://www.gggems.com
A comprehensive selection of loose Natural & Lab Created gemstones at discounted prices. We all so include gemstone jewelry and gemstone Settings In Silver, 14kt Gold fill and Solid 14kt Gold. http://www.justgemstones.com
Cubic Zirconia Diamond-like AAAAA to BC quality at most competitive prices. Large variety of fine loose Synthetic Gems. http://www.pehnec.com/