My periodic table poster is now available! Fluorite. Description from the source: Fluorite (Ca F2 cub. ), Musquiz, Mexico. Cubic intergrouwn crysta. 3,5x2,5x2,5 cm; 30 g. Source: Simone Citon Contributor: John Gray Acquired: 19 November, 2008 Text Updated: 20 November, 2008 Price: Trade Size: 1.4" Composition: CaF2