+/- 6 x 9mm. These Kyanite beads are cute as a button. Mined in Brazil. Yummy! Metaphysical properties of Kyantie: Kyanite is known to be able to alien the Chakras. It is a very high vibration stone. If you have been working on making a connection to higher guidance, Kyanite may assist you with contacting your spirit guide. Now that's a powerful bead.