• sapphire crystal in matrix - how do rubies and sapphires form

    Sapphire – Natural, Specimen, Blue

    This large sapphire crystal from California is still attached to its metamorphic host rock. © Rob Lavinsky, www.iRocks.com. Used with permission.

    Article: How Do Rubies and Sapphires Form?

    Credit: www.iRocks.com

    GemstoneSapphire, Corundum
    Natural or man madeNatural
    OriginUnited States
    Origin detailsCalifornia
    Gem StateSpecimen