Fluoborite
Mg3 (BO3 )F3
Minerals containing BO3
—
Open
White acicular crystals fluoroborate from Fiano, Lavorate (Nocera), Sarno, Campania, Italy
Photo by David Hospital, CC BY-SA 4.0
0
2
0
PL
Mineral, Borate
Fluocerite
(La,Nd)F3 , (Ce,La)F3
Lanthanum fluoride , Cerium fluoride , Fluocerite
Fluocerite (var. La, Nd)
Open
Yellowish-brown Fluocerite-(Ce). Field of view 15 mm. Locality: Black Cloud Mine (Black Cloud pegmatite; Spillman Prospect), Teller Co., Colorado, USA
Photo by Leon Hupperichs (via Wikimedia Commons). CC-BY-SA 3.0
0
5
2
CL, EDS
REE, Halide , Informal
Fluocerite-(La)
LaF3
Lanthanum fluoride
—
0
5
0
IR
Mineral , REE, Halide
Fluor-elbaite
Na(Li1.5 Al1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 F
Minerals containing OH , Minerals containing BO3 , Tourmaline
—
Open
Image of a specimen of Fluor-elbaite (M 15422, Museums Victoria), from Kangaroo Island, South Australia, Australia
Photograph by Sarah McCaffrey, Museums Victoria, CC-BY
2
0
0
—
Hydroxide , Mineral, Halide , Borate , Aluminosilicate
Fluor-uvite
CaMg3 (Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 F
Minerals containing OH , Minerals containing BO3 , Tourmaline
—
1
0
2
Reflectance
Hydroxide , Mineral, Halide , Borate , Aluminosilicate
Fluorapatite
Ca5 (PO4 )3 F, (Ca,Sr)5 (PO4 )3 F
Apatite , Minerals containing PO4
—
Open
Image of Fluorapatite, Albite and Muscovite in specimen 'M 49292 Fluorapatite' (Museums Victoria) from Victoria, Australia
Unknown photographer, Copyright Museums Victoria / CC BY (Licensed as Attribution 4.0 International)
15
7
2
CL, SXES
Mineral, Phosphate , Orthophosphate
Fluorapophyllite-(K)
KCa4 Si8 O20 F·8H2 O
Minerals containing H2O , Apophyllite
—
Open
Photo by Photolitherland (via Wikimedia Commons), CC-BY-SA-3.0
0
5
0
IR, PL
Mineral, Silicate , Hydrated
Fluorite
CaF2
Fluorite (group) , Calcium fluoride
—
Open
Fluorite crystals on display at the Cullen Hall of Gems and Minerals
2008 Photolitherland (via Wikimedia Commons), CC-BY-SA-3.0
13
257
3
CL, CL/SEM, SXES
Mineral, Halide
Fluorite (group)
M II F2 , M =Ca,Pb,Ba,Sr
—
Frankdicksonite , Fluorocronite , Fluorite , Strontiofluorite
0
257
3
CL, CL/SEM, SXES
Group , Halide
Fluorocronite
PbF2
Fluorite (group)
—
1
0
0
—
Mineral, Halide
Fluorophlogopite
KMg3 (Si3 Al)O10 F2
Biotite
—
0
3
0
PL/XL
Mineral, Halide , Aluminosilicate
Fluorvesuvianite
Ca19 (Al,Mg)13 (SiO4 )10 (Si2 O7 )4 O(F,OH)9
Minerals containing OH , Vesuvianite (group)
—
Open
Image of specimen 'M2201 Fluorvesuvianite' [CSIRO].
(C) 2026 CSIRO Mineral Resources. All rights reserved.
1
0
1
Reflectance
Hydroxide , Mineral, Halide , Aluminosilicate
Forsterite
(Mg,FeII )2 SiO4 , (Mg,FeII ,MnII )2 SiO4 , Mg2 SiO4
Minerals containing SiO4 , Olivine , Forsterite-Fayalite (series)
—
Open
Modified barrel cut forsterite (var. peridot) specimen from Pakistan
Photo by Ken Larsen, via Smithsonian National Museum of Natural History
7
20
2
CL/SEM, EDS
Mineral, Silicate
Forsterite-Fayalite (series)
(Mg,FeII )2 SiO4
—
Forsterite (var. Fe) , Forsterite (var. Fe, Mn) , Fayalite (var. Mg)
0
20
2
CL/SEM, EDS
Silicate, Series
Fourmarierite
Pb1-x O3-2x (UO2 )4 (OH)4+2x ·4H2 O
Minerals containing H2O , Minerals containing OH
—
Open
Uraninite covered with red hexagonal Fourmarierite crystals, from Shinkolobwe, Katanga (Shaba), Democratic Republic of Congo
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
0
6
0
PL
Hydroxide , Mineral, Uranyl , Hydrated