Where can i get a clear crystal pendulum to diagnose chakras?

you dont have to use a crystal pendulum, you can use br, gemstones or if you can get those you can use a ring. just cleanse it and charge it for your chakras. you can get a good reading from that as well. also you can get gemstones to match your chakras and use the pendulum on those to see what chakras need "help" the you can get a tuning fork that is tuned to the "OHM" sound and balance your chakras that way.