2-1/2" Astrophyllite Sphere (with stand)Astrophyllite is a rare silicate mineral composed of potassium, iron, titanium, manganese, and sodium. It was originally discovered by Paul Christian Weibye in Norway in 1844, then recognized by the scientific community in 1854 when it was given its official name Astrophyllite. Carl Johan August Theodor Scheerer chose the name based on the combination of the greek words astron and phyllon which mean star and leaf. It is mostly found in Russia,