🪨 Selenite
Transparent crystalline form of gypsum. Oklahoma's Great Salt Plains and Kansas produce exceptional selenite crystals and hourglass formations.
Best Places to Find Selenite
Hourglass Selenite Beds
Cleveland County, Oklahoma · Public Land
Unique hourglass selenite crystals found in central Oklahoma. The distinctive 'hourglass' inclusion pattern is unique to this area.
Sunrise Minerals Area
Apache, Oklahoma · Public Land
Western Oklahoma area known for agate, barite rosettes, and hourglass selenite. Good beginner rockhounding on public lands.
Kansas Gypsum Beds
Barber County, Kansas · Public Land
Red Hills region of Kansas for gypsum and selenite crystals. Beautiful hourglass selenite specimens in the Blaine Formation exposures.