biotite

AF > South Africa > > Preezburg
NA > United States > Arizona > Big Strike Mica
NA > United States > Arizona > White Cap
NA > United States > Colorado > Fern Cr.
NA > United States > Colorado > Fred Pierce Ranch
NA > United States > Colorado > Goat Hill #1
NA > United States > Colorado > Hiwan Ranch
NA > United States > Colorado > Iowa Gulch
NA > United States > Colorado > Knob Hill
NA > United States > Colorado > Little Anna
NA > United States > Colorado > Muscovite #1, 2
NA > United States > Colorado > Oak Creek Grade Prospect
NA > United States > Colorado > Rusty Pick
NA > United States > Colorado > Santa Fe Mt., Sawmill Gulch
NA > United States > Colorado > Seven Hills-Yetter Ranch Pegmatite
NA > United States > Colorado > Susy Belle
NA > United States > Colorado > Unknown
NA > United States > Idaho > Mountain Mica
NA > United States > New York > Corinth Feldspar Co. Quarry
NA > United States > New York > The Bly Property Mine
NA > United States > New York > Unnamed Occurrence
NA > United States > South Dakota > Big Horn Lode Prospect
NA > United States > South Dakota > Jumbo Lode
NA > United States > South Dakota > Lucky Star Prospect
NA > United States > South Dakota > New England Prospect
NA > United States > Wyoming > Stan Group
SA > Argentina > La Rioja > Cora Vivi Mine
SA > Brazil > Bahia > Serra De Jacobina Gold Deposits
SA > Venezuela > Amazonas* > Churuata Uranium Occurrence