Mineral | Labradorite | (Ca,Na)(Al,Si)4O8 | Feldspar
Labradorite forms in igneous rocks and is known for iridescent labradorescence. Found in transported igneous cobbles.
Labradorite Displays These Colors
Blue | Gray | Black
Labradorite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan