Glowdalite

The scientific name for Yooperlite is fluorescent sodalite-bearing syenite. These rocks have sodalite that reacts to UV light. Common names are Yooperlite, Glowdalite, NEOlite, and sodalite rocks.

Found on these trips:

• Walnut Creek Access Area
  2025-07-24

Found in these locations:

• Lake Erie
• Walnut Creek Access Area

Photos of Glowdalite