Approx Size - 1 to 2 inch size.
Rock/Mineral Info - The first indicator to kyanite is the dark blue hue that its name is derived from. The second indicator would be the elongated, column-like structure of the mineral. This material is in chunks of the blades. They are more suitable for tumbling.
Metaphysical Properties - Blue Kyanite encourages one to speak truth and encourages communication. It is useful for those who speak publicly often or perform.