Rock | Kimberlite | Olivine, phlogopite, serpentine | Igneous Ultramafic
Kimberlite forms as a volatile-rich ultramafic igneous rock and appears regionally as extremely rare glacial erratics. Found as rare transported fragments from deep-source volcanic pipes.
Kimberlite Displays These Colors
Dark Green | Black
Kimberlite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan