"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico opal Each stone undergoes a final

Each stone undergoes a final quality inspection for structural integrity and polish clarity before being carefully packaged for its journey to you

This listing is for one fossilized Flexicalymene trilobite fossil within a geode

This mineral is typically found in igneous and some metamorphic rocks

creating a captivating display of beauty and luxury

Polished Shattukite slab from Namibia

"Fishtail" Selenite / Gypsum Specimen - Sierra Mojada, Mexico opal Each stone undergoes a finalSelenite, 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