• cassiterite rough and cut set - Sri Lanka and Bolivia

    Cassiterite – Natural, Rough, Brown

    Cassiterite rough and cut set. Cushion-cut gem: 13.5 cts, Sri Lanka; crystal: 2.1 x 1.8 x 1.5 cm, Viloco Mine, La Paz, Bolivia. © Rob Lavinsky, www.iRocks.com. Used with permission.

    Article: Cassiterite Value, Price, and Jewelry Information

    Credit: Rob Lavinsky

    Natural or man madeNatural
    Gem StateRough