Fluorite
description: <p style="text-align: justify;">LOCALITY: Yaoganxian Mine, Hunan, China <br /><br />3 1/2" across <br /><br />Ex Professor Stephen Smale collection <br /><br />The fluorite crystals display "stepped" corners. The cubic fluorite crystals were "attempting" to form octahedra or cube-octahedra. The crystals also display phantoms. <br /><br />Photo by Matthew Webb of Melbourne, Victoria, Australia</p>