Rock Paradise Blue Kyanite Blades - Blue Kyanite Chips - Rp Exclusive COA AM10B7 (5) Blue Kyanite Blades - Blue Kyanite Chips - Rp Exclusive COA AM10B7 The photos are taken in house of our stock and items will vary in shape and size. AVERAGE measure of stones is approximately 13-48mm x 7-25mm. Kyanite is thought to be a calming stone. It's an excellent stone to bring one into a deep, meditative state. 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! Direct manufacturer from Brazil, but all products ship from the USA!