This kyanite is from the Goias State in Minas Gerais, Brazil. This state encompasses a large area and it holds at least 171 different minerals including kyanite. It is a silicate that contains the elements Al, Si, and O. This is a double terminated, translucent to transparent, crystal with a light blue-green color and a vitreous luster. This crystal measures approximately 2 3/8 x 7/16 x 1/4 inches or 60 x 11 x 6 mm.