"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico chalcedony The colors are completely natural

The colors are completely natural

Weight:769g

Natural rhodochrosite heart set in rose colored alloy bezel

banded azure

"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico chalcedony The colors are completely naturalSelenite, 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