Mineral | Augite | (Ca,Na)(Mg,Fe,Al)(Si,Al)2O6 | Pyroxene
Augite forms in mafic igneous rocks and appears regionally as glacially transported fragments. Found in basaltic and gabbroic erratics.
Augite Displays These Colors
Black | Dark Green
Augite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan