These rather special  Kyanite tumbled stones

are small to Medium size

Kyanite is an excellent meditation stone as it is a powerful transmitter and can amplify high frequencies.
This crystal can help you to contact your spirit guides and helps to keep you grounded.

Kyanite dose not hold any negativity and there for never requires cleansing.

Blue kyanite is a good stone for singers and public speakers as it strengthens the voice and heals the throat.