Moonstone, Sunstone, or Labradorite Pyramid with engraved Reiki symbols. Moonstone, Sunstone, or Labradorite pyramids, handcrafted, featuring the 4 Reiki symbols engraved, each on one side, representing each level. The pyramids are drivers of cosmic energy. In Reiki, a pyramid can be used at the center of the Reiki grid for each level. These pyramids measure approximately 4.50 cm x 4.50 cm x 3 cm. Their weight is 100 grams. approx. Their measurements may vary as they are handcrafted pieces.