"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico Tray This cleaved Phantom Selenite from

This cleaved Phantom Selenite from La Platosa Mine Mexico specimen exhibits the classic monoclinic crystal system with a vitreous to pearly luster

This Caribbean Calcite Polished Dragon Head Carving is expertly crafted and polished to highlight the beauty of the stone

this specimen offers a unique blend of beauty and scientific

Size: 7in x 2

"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico Tray This cleaved Phantom Selenite fromSelenite, 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