Kyanite

Kyanite is named after the Greek word for "blue". Color is often not consistent throughout the crystal, often showing white streaks in a medium blue. Kyanite is a gemstone that you will rarely encounter in the typical jewelry store. It is an exotic gem.

Color
The most highly prized kyanite is the vibrant blue or blue-green hue. It is also found in shades of gray, yellow, white and a colorless variety that is considered quite rare.

Origin
Kyanite is found in mountainous regions in the United States (Montana and North Carolina), Switzerland, Brazil and Myanmar, Austria, Brazil, India, Kenya, Myanmar, Serbia, Switzerland, United States and Zimbabwe.