Mineral | Orthopyroxene | (Mg,Fe)2Si2O6 | Pyroxene
Orthopyroxene forms in igneous and metamorphic rocks and appears regionally as transported grains. Found in heavy mineral sands and erratics.
Orthopyroxene Displays These Colors
Brown | Green | Black
Orthopyroxene is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan