This kyanite crystal is from Bahia, Brazil. Bahia is a large state in Brazil that contains several pegmatite deposits in which kyanite can be found although gem variety kyanite is uncommon. Kyanite is a silicate contains the elements Al, Si,and O. It is typically blue in color but can be orange, black or other colors. This crystal is double terminated and translucent to transparent with a greasy to vitreous luster. It is blue with a darker blue core. It is a small miniature that measures 1 1/4 x 11/16 x 3/8 inches or 32 x 17 x 9 mm.