My periodic table poster is now available! Kyanite. Description from the source: Kyanite (Al2SiO5 tric.), Itinga, Brazil. Rare complete crystals with transparence. 3,1x1,4x0,9 cm the bigger; 35 g all. Source: Simone Citon Contributor: John Gray Acquired: 26 September, 2008 Text Updated: 28 September, 2008 Price: Trade Size: 1.2" Composition: Al2SiO5