• blue gemstones - 2.35ct Montana sapphire

    Sapphire

    Brilliant and bright, the secondary green hue is common in Montana sapphires, but the stone's lack of a steely grey look is exceptional. Earth's Treasury. Used with permission.

    Article: 37 Blue Gemstones (Names, Pics, & More)

    GemstoneCorundumSapphire,
    Natural or man madeNatural
    OriginUnited States
    Origin detailsMontana
    Carat Weight2.35
    Gem StateFaceted
    ColorBlue
    TransparencyTransparent