This is a pair of oval cabochon-cut, deep-purple, natural African Amethyst gemstones. They weigh 1.35cts (2.70cts total) and measure 8x6mm each.
Below are the main details:
Size: A Pair of 8x6 mm Shape: Oval Cabochon-Cut Colour: Deep-Purple Clarity: Translucent Lustre: Incredible Origin: Africa Hardness: 7 Specific Gravity: 2.65 - 2.91 Refractive Index: 1.544 - 1.553 Chemical Composition: SiO2, Silicon Dioxide Crystal Structure: Trigonal