Prehnite

Mineral | Prehnite | Ca2Al(AlSi3O10)(OH)2 | Silicate

Prehnite forms in low-grade metamorphic rocks and basaltic cavities. Occurs in basaltic erratics.

Prehnite Displays These Colors
Green | Yellow Green

Prehnite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan