Mineral | Phlogopite | KMg3(AlSi3O10)(OH)2 | Silicate
Phlogopite forms in ultramafic and metamorphic rocks and appears regionally as transported flakes. Found in ultramafic erratics.
Phlogopite Displays These Colors
Brown | Bronze
Phlogopite is Found in These Surrounding States
Ohio | Indiana | Kentucky | West Virginia | Pennsylvania | Michigan