Where: Midwest · North America · approx. 36.8, -98.2 (vicinity only)
Why this spot: selenite crystals (hourglass)
What turns up: A unique Oklahoma state park on an old salt flat where visitors dig hourglass-included selenite crystals in a designated area, April to October.
Access: Open / legal.
Open public collecting under BLM or public-land casual-use rules: reasonable personal amounts, hand tools, no claim-jumping, no resale. Confirm current status before you go.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.