2.3" Selenite Crystal - Kansas

This is a beautiful selenite crystal that was collected from the Cretaceous age Dakota Formation of Kansas.

Selenite is a variety of gypsum, a soft sulfate mineral that is composed of calcium sulfate dihydrate (CaSO4 · H2O). When chemically pure, gypsum is transparent and colorless, however, impurities give the gypsum a diverse range of colors and formations. Desert rose, selenite and satin spar are just a few of the varieties of gypsum known to have formed though hydrothermal processes.
DETAILS
SPECIES
Gypsum var. Selenite
LOCATION
Kansas
FORMATION
Dakota Formation
SIZE
2.3" wide
ITEM
#153314