"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico Tray The effect is absolutely stunning

The effect is absolutely stunning and lives up to the name perfectly

not a single mineral

silky reflection

Small: 40-60g

Approximate Size: 3in x 1

"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico Tray The effect is absolutely stunningSelenite, a type of gypsum, is a hydrous calcium sulfate (CaSO42H2O) that forms monoclinic crystals with prismatic or bladed shapes and distinct rhombic appearance. It can also be found as arrowhead shaped twins with beveled edges. While pure selenite is colorless or white, impurities can result in shades of pale gray, yellow, red, and brown. With a hardness of 1. 5 2. 0, selenite is transparent to translucent and has a vitreous to pearly luster. It