Mineral | Anthophyllite | (Mg,Fe)7Si8O22(OH)2 | Amphibole
Anthophyllite forms in metamorphosed ultramafic rocks and appears regionally as erratics. Found in metamorphic cobbles transported by glaciers.
Anthophyllite Displays These Colors
Brown | Gray | Green
Anthophyllite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan