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's Image Gallery With 4041 Images

Freieslebenite Image

Images:

Freieslebenite: AgPbSbS3

Comments: Dark gray prismatic crystal of freieslebenite on quartz.
Location: Neue Hoffnung Gottes Mine, Bräunsdorf, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Fresnoite Image

Images:

Fresnoite: Ba2TiSi2O8

Comments: Yellow to peach colored crystals of fresnoite.
Location: Junnila Mine, San Benito County, California, USA. Scale: Crystal size 5 mm.
© John Veevaert

Freudenbergite Image

Images:

Freudenbergite: Na2Fe+++2Ti6O16

Comments: BSE image of a sector-zoned crystal of freudenbergite. The bright pyramids correspond to sector (001), and the darker ones belong to sector (100).
Location: Peralkaline alkali syenite dikes at Katzenbuckel, southwestern Germany. Scale: See Image.
© Canadian Mineralogist

Friedelite Image

Images:

Friedelite: Mn8Si6O15(OH,Cl)10

Comments: Rose red crystals of friedelite on matrix.
Location: Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Friedrichite Image

Images:

Friedrichite: Pb5Cu5Bi7S18
Krupkaite: PbCuBi3S6
Benjaminite: (Ag,Cu)3(Bi,Pb)7S12

Comments: Crystals of a mixture of friedrichite, krupkaite, and benjaminite, with quartz crystals.
Location: Estela Mine, Julcani District, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Frohbergite Image

Images:

Frohbergite: FeTe2

Comments: Irregular black mssses of frohbergite in quartzite matrix.
Location: San Simon Basin (San Simon River; Bowie Chabazite deposit), Bowie area, Cochise Co., Arizona, USA. Scale: Picture Size 2.5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Frolovite Image

Images:

Frolovite: CaB2(OH)8

Comments: Clear to white crystalline frolovite in rock.
Location: Solongo, Republic of Buryatia, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Frondelite Image

Images:

Frondelite: Mn++Fe+++4(PO4)3(OH)5
Kidwellite: Na(Fe+++,Cu)9+x(PO4)6(OH)11·3(H2O)

Comments: Root beer colored crystals of frondelite and white kidwellite sticks on matrix.
Location: Sapucaia, Minas Gerais, Brazil. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Froodite Image

Images:

Froodite: PdBi2

Comments: Froodite grain (see arrow) in mostly chalcopyrite matrix.
Location: Oktyabr'skoye Mine, Norilsk, Krasnoyarsk Territory, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Froodite Image

Images:

Froodite: PdBi2
Maslovite: PtBiTe
Altaite: PbTe

Comments: Reflected light photomicrograph of maslovite (M), froodite (F), and altaite (A), in chalcopyrite matrix.
Location: Oktyabr'skoye Mine, Norilsk, Krasnoyarsk Territory, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fuenzalidaite Image

Images:

Fuenzalidaite: K6(Na,K)4Na6Mg10(SO4)12(IO3)12·12(H2O)

Comments: SEM image of hexagonal (trigonal) crystals of fuenzalidaite. (AmMin, v79:1003).
Location: Nitrate mine about I km south of the former plant site of Oficina Santa Luisa, northern Chile. Scale: Scale Bar 10 µm.
© American Mineralogist

Fukuchilite Image

Images:

Fukuchilite: Cu3FeS8

Comments: Dark brown fine-grained fukuchilite in white gypsum.
Location: Hanawa Mine, Kazuno City, Akita, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fuloppite Image

Images:

Fuloppite: Pb3Sb8S15

Comments: Gray crystals of fülöppite on quartz.
Location: Neue Hoffnung Gottes Mine, Bräunsdorf, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Furongite Image

Images:

Furongite: Al2(UO2)(PO4)3(OH)2·8(H2O)

Comments: Pale yellow crystalline furongite.
Location: Furong Lin, Ling Wu, Western Hunan Province, China. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Furutobeite Image

Images:

Furutobeite: (Cu,Ag)6PbS4

Comments: Black, prismatic furutobeite crystals.
Location: Tsumeb, Namibia. Scale: See Image.
© William Pinch

Gabrielite Image

Images:

Gabrielite: Tl2AgCu2As3S7

Comments: SEM picture of gabrielite showing the dominant (001) face with striation along a axis and (presumable) twinning along (100). (CanMin, v44:135).
Location: Lengenbach locality, at Binntal, Canton Valais, Switzerland. Scale: See Image.
© Canadian Mineralogist

Gabrielsonite Image

Images:

Gabrielsonite: PbFe++(AsO4)(OH)

Comments: Jet black, lustrous crystal grain, showing no faces, fractured to about 0.75mm with white pectolite-hematite matrix.
Location: Langban, Varmland, Sweden. Scale: 2.5 x 1.5 x 1.5cm.
© Tom Loomis / Dakota Matrix

Gadolinite-(Ce) Image

Images:

Gadolinite-(Ce): (Ce,La,Nd,Y)2Fe++Be2Si2O10

Comments: Sharp, well crystallized single crystal of brown gadolinite.
Location: Buer, Bjørkedalen, Porsgrunn, Telemark, Norway. Scale: 18x14x8 mm.
© John Betts - Fine Minerals

Gadolinite-(Y) Image

Images:

Gadolinite-(Y): Y2Fe++Be2Si2O10
Calciogadolinite: CaREE(Fe+++)Be2Si2O10

Comments: Black vitreous, metamict massive gadolinite-(Y) also known as calcian gadolinite.
Location: Ytterøya Mine, Røvika, Ytterøya (island), Levanger, Nord-Trondelag, Norway. Scale: See Image.
© Rruff Database

Gagarinite-(Y) Image

Images:

Gagarinite-(Y): NaCaY(F,Cl)6

Comments: Brownish to gray crystals of gagarinite-(Y) in matrix.
Location: Gjerdingen, Jevnaker, Oppland, Norway. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

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