Petite Blue Aventurine Pyramid - Pyramid Shaped Blue Aventurine Stone - Blue Aventurine Stone Pyramid - Reiki - AM20B7-05 (5) Petite Blue Aventurine Pyramid -- Pyramid Shaped Blue Aventurine Stone - Blue Aventurine Stone Pyramid - Reiki - AM20B7-05 The photos are taken in house of our stock and items will vary in shape and size. AVERAGE measure of stones is approximately 10-14mm. materials: chakra, pyramid, stone pyramids, chakra set, blue adventurine Rock Paradise Exclusive COA Find more great pendants and stones in our shop. Search Rock Paradise on Amazon. We also have many bulk deals available!