Discover the beauty of this 6.70 Carat Natural Nigerian Blue Tourmaline Rough Crystal, featuring a captivating natural blue color and excellent crystal structure. Measuring approximately 11x10x7 MM, this untreated rough gemstone is ideal for lapidary artists, gemstone collectors, jewelry designers, and wire-wrapping enthusiasts. Sourced from Nigeria, this genuine rough tourmaline offers unique natural characteristics that make every piece one of a kind. Whether you plan to facet, cabochon cut, wire wrap, or add it to your mineral collection, this blue tourmaline crystal is a wonderful choice for both beginners and experienced gem enthusiasts. Please note that natural gemstones may contain inclusions, growth patterns, and surface features that confirm their natural origin and add to their individual charm. Product Details Gemstone: Natural Blue Tourmaline Origin: Nigeria Weight: 6.70 Carats Size: 11 x 10 x 7 MM Shape: Natural Rough Crystal Color: Blue Treatment: Natural / Untreated Transparency: Translucent to Transparent Cut: Rough / Uncut Usage: Faceting, Cabochon Cutting, Wire Wrapping, Jewelry Making, Collection, Display Quantity: 1 Piece Condition: Natural Rough Gemstone