Pair of Green Fluorite Bookends - Semi Polished Stones - easures approx.: 4-5" tall x 5.5-6.5" wide both halves x 2-2.5" thick Weighs approx: 1.990kg-2.565kg Fluorite is “The most colorful mineral in the world,” Fluorite forms in a wide variety of hues. Known as the “GENIUS STONE,” Fluorite represents the highest state of mental achievement. It boosts aptitude & discernment, as well as helping the absorption of new information and working through complex issues.