Mineral/rock

Derived from or for

Faujasite (zeolite)

Barthélemy Faujas de Saint Fond (1741-1819), French geologist

Fayalite

locality at Fayal Island in the Azores and Greek lithos = stone

Feitknechtite

for Walter Feitknecht (1899- ), University of Bern, who first synthesized the compound

Feldspar

Swedish feldt or fält = field and spat = spar, for the spar in the tilled fields overlying granite

Fergusonite

Robert Ferguson (1799-1865), Scottish physician

Ferrierite (zeolite)

Walter Frederick Ferrier (1865-1950), Canadian geologist and moning engineer

Ferronatrite

Latin ferrum = iron and natrium = soda describing its composition

Flint

Greek plinthos = a brick

Florencite

Willian Florence (1964-1942), Brazilian mineralogist who studied minerals in Minas Gerais

Fluoborite

from composition, a fluoborate of magnesium

Fluocerite

containing fluorine and cerium named for Ceris, an asteroid

Fluorapatite

containing fluorine and apatite