Jeff Weissman's Image Gallery

McDougall Minerals is based near famous Bancroft, Ontario, at the heart of one of the best mineral regions in Canada

Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 1177 Images

Ferrowodginite Image

Images:

Ferrowodginite: Fe++SnTa2O8

Comments: Dark brown massive ferrowodginite.
Location: Nyanga Number 2 Pegmatite, Ankole, Uganda. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrowyllieite Image

Images:

Ferrowyllieite: (Na,Ca,Mn)(Fe++,Mn)(Fe++,Fe+++,Mg)Al(PO4)3

Comments: Deep greenish black massive ferrowyllieite with brown to white quartz.
Location: Victory Mine, near Custer, Custer County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fersilicite Image

Images:

Fersilicite: FeSi
Ferdisilicite: FeSi2

Comments: Dark grains of ferdisilicite, in sand, intermixed with dark grains of fersilicate.
Location: Poltava series, Zachativsk station, Donets (Donetsk) region, Donets'k Oblast' (Donetsk Oblast'), Ukraine. Scale: 0.2 cm field of view.
© Jeff Weissman / Photographic Guide to Mineral Species

Fervanite Image

Images:

Fervanite: Fe+++4(VO4)4·5(H2O)
Hewettite: CaV6O16·9(H2O)

Comments: Spherical aggregate of acicular microcrystals of fervanite with blocky hewettite.
Location: Gold Quarry Mine, Carlin Trend, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Filipstadite Image

Images:

Filipstadite: (Mn++,Mg)4Sb+++++Fe+++O8
Hausmannite: Mn++Mn+++2O4

Comments: Dark minute grains of filipstadtite in hausmannite (slabbed specimen).
Location: Jacobsberg Mine, near Nordmark, Filipstad, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Flagstaffite Image

Images:

Flagstaffite: C10H22O3

Comments: Colorless transparent microcrystal fragment of flagstaffite.
Location: San Francisco Mountains, near Flagstaff, Coconino County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fleischerite Image

Images:

Fleischerite: Pb3Ge(SO4)2(OH)6·3(H2O)

Comments: Pale pink transparent acicular crystals of fleischerite.
Location: Tsumeb, Oshikoto, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fluckite Image

Images:

Fluckite: CaMn(HAsO4)2·2(H2O)

Comments: White to pale pink crystalline translucent botryoids of fluckite.
Location: Giftgrube, Sainte-Marie-aux-Mines, Alsace, Haute-Rhin, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fluoborite Image

Images:

Fluoborite: Mg3(BO3)(F,OH)3

Comments: Silky fibrous fluoborite with purple fluorite.
Location: Ludlaw, San Bernardino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Fluoro-sodic-pedrizite Image

Images:

Fluoro-sodic-pedrizite: NaLi2(Mg2Al2Li)?5Si8O22F2
Clinoholmquistite: [ ](Li2Mg3Al2)Si8O22(OH)2
Magnesioclinoholmquistite: Li2(Mg,Fe++)3Al2Si8O22(OH)2

Comments: Dark blue fibrous clinoholmquistite with radiating structure, variety magnesioclinoholmquistite. Clinoholmsquitite may be a new aphibole, fluoro-sodic-pedrizite..
Location: Near Murun, Republic of Sakha, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Foitite Image

Images:

Foitite: [ ]Na<0.5(Fe++,Al)3Al6Si6O18(BO3)3(OH)4

Comments: Dark greenish-black termination of foitite on pinkish elbaite.
Location: Dobra Voda, Moravia, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Foshagite Image

Images:

Foshagite: Ca4Si3O9(OH)2

Comments: Tan to gray fibrous to columnar aggregate of foshagite.
Location: Crestmore Quarry, Riverside County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Foshallasite Image

Images:

Foshallasite: Ca3Si2O7·3(H2O)

Comments: Pearly translucent white somewhat fibrous aggregate of foshallasite.
Location: Mount Yukspor, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Francoanellite Image

Images:

Francoanellite: H6(K,Na)3(Al,Fe+++)5(PO4)8·13(H2O)

Comments: Chalky massive francoanellite.
Location: Giottodi Castellana Cave, Puglia, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinfurnaceite Image

Images:

Franklinfurnaceite: Ca2(Fe+++,Al)Mn+++Mn++3Zn2Si2O10(OH)8

Comments: Brown resinous mass of franklinfurnaceite, in black franklinite, with white calcite.
Location: Franklin Mine, Franklin, Sussex Co., New Jersey, USA. Scale: Picture Size 6 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinite Image

Images:

Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4
Esperite: PbCa3Zn4(SiO4)4
Hardystonite: Ca2ZnSi2O7

Comments: Pale brown porcelaneous esperite with pinkish gray hardystonite and black franklinite.
Location: Franklin, Sussex County, New Jersey. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Franklinphilite Image

Images:

Franklinphilite: (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216·6(H2O)

Comments: A cleavage fragment of nearly pure franklinphilite.
Location: Franklin mine, Sussex County, New Jersey.. Scale: Fragment Size 2.5 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Franzinite Image

Images:

Franzinite: [(Na,K)30Ca10][Si30Al30O120](SO4)10·2(H2O)

Comments: Opaque white platy crystals of franzinite on brown vesuvianite crystals.
Location: Pitigliano, Grosseto, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Freboldite Image

Images:

Freboldite: CoSe

Comments: Copper-red, tarnished, freboldite, as granular material intermixed with darker colored sandstone matrix.
Location: Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA. Scale: Specimen Size 2 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Fredrikssonite Image

Images:

Fredrikssonite: Mg2(Mn+++,Fe+++)O2(BO3)
Hausmannite: Mn++Mn+++2O4

Comments: Red-brown elongated crystalline fredrikssonite in calcite with granular hausmannite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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