John Betts - Fine Minerals's Image Gallery

John Betts - Fine Minerals's Image Gallery
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John Betts - Fine Minerals's Image Gallery With 178 Images

Fergusonite-(Y) Image

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Fergusonite-(Y): YNbO4

Comments: Heavy mass of fergusonite-(Y) with one face polished flat to show the solid interior. Radioactive.
Location: Ambatofotsy, Betafo - Antsirabé region, Antananarivo Province, Madagascar. Scale: 6x2.5x1.5 cm.
© John Betts - Fine Minerals

Fergusonite-(Y) Image

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Fergusonite-(Y): YNbO4

Comments: Heavy mass of fergusonite-(Y) with one face polished flat to show the solid interior. Radioactive.
Location: Ambatofotsy, Betafo - Antsirabé region, Antananarivo Province, Madagascar. Scale: 6x2.5x1.5 cm.
© John Betts - Fine Minerals

Ferristrunzite Image

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Ferristrunzite: Fe+++Fe+++2(PO4)2(OH)3·5(H2O)

Comments: Radiating yellow crystals of ferristrunzite on black matrix.
Location: Blaton, Hainaut (Henegouwen; Hennegau) Province, Belgium. Scale: 35x25x15 mm.
© John Betts - Fine Minerals

Ferristrunzite Image

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Ferristrunzite: Fe+++Fe+++2(PO4)2(OH)3·5(H2O)

Comments: Radiating yellow crystals of ferristrunzite on black matrix.
Location: Blaton, Hainaut (Henegouwen; Hennegau) Province, Belgium. Scale: 35x25x15 mm.
© John Betts - Fine Minerals

Ferro-edenite Image

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Ferro-edenite: NaCa2Fe++5Si7AlO22(OH)2  
Wohlerite: NaCa2(Zr,Nb)Si2O7(O,OH,F)2

Comments: Transparent yellow wöhlerite crystals embedded in pink feldspar and black mica matrix with black ferro-edenite (var. barkevikite).
Location: Langesundsfjorden, Sandoya Island, Porsgrunn, Norway. Scale: Specimen Size: 5x5x3.5 cm.
© John Betts - Fine Minerals

Ferro-edenite Image

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Ferro-edenite: NaCa2Fe++5Si7AlO22(OH)2  
Wohlerite: NaCa2(Zr,Nb)Si2O7(O,OH,F)2

Comments: Transparent yellow wöhlerite crystals embedded in pink feldspar and black mica matrix with black ferro-edenite (var. barkevikite).
Location: Langesundsfjorden, Sandoya Island, Porsgrunn, Norway. Scale: Specimen Size: 5x5x3.5 cm.
© John Betts - Fine Minerals

Ferronordite-(Ce) Image

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Ferronordite-(Ce): Na3SrCeFe++Si6O17

Comments: Translucent platy pale-brown ferronordite-(Ce) crystals in translucent ussingite.
Location: Karnasurt Mountain, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Russia. Scale: Sample Size 12x10x7 mm..
© John Betts - Fine Minerals

Ferronordite-(Ce) Image

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Ferronordite-(Ce): Na3SrCeFe++Si6O17

Comments: Translucent platy pale-brown ferronordite-(Ce) crystals in translucent ussingite.
Location: Karnasurt Mountain, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Russia. Scale: Sample Size 12x10x7 mm..
© John Betts - Fine Minerals

Fersmanite Image

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Fersmanite: Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3

Comments: Large single crystal of brown fersmanite in quartz matrix.
Location: Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 4x3x2 cm.
© John Betts - Fine Minerals

Fersmanite Image

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Fersmanite: Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3

Comments: Large single crystal of brown fersmanite in quartz matrix.
Location: Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 4x3x2 cm.
© John Betts - Fine Minerals

Fluorcanasite Image

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Fluorcanasite: K3Na3Ca5Si12O30F4·H2O

Comments: Small fragment of translucent green fluorcanasite.
Location: Mt. Kukisvumchorr, Khibiny massif, Kola Peninsula, Russia. Scale: Specimen Size 8 x 5 x 2 mm.
© John Betts - Fine Minerals

Fluorcanasite Image

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Fluorcanasite: K3Na3Ca5Si12O30F4·H2O

Comments: Small fragment of translucent green fluorcanasite.
Location: Mt. Kukisvumchorr, Khibiny massif, Kola Peninsula, Russia. Scale: Specimen Size 8 x 5 x 2 mm.
© John Betts - Fine Minerals

Fluororichterite Image

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Fluororichterite: Na(CaNa)Mg5[Si8O22]F2

Comments: Doubly-terminated, stubby, black fluororichterite crystal.
Location: Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada. Scale: 22x21x15 mm.
© John Betts - Fine Minerals

Fluororichterite Image

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Fluororichterite: Na(CaNa)Mg5[Si8O22]F2

Comments: Doubly-terminated, stubby, black fluororichterite crystal.
Location: Wilberforce, Monmouth Township, Haliburton Co., Ontario, Canada. Scale: 22x21x15 mm.
© John Betts - Fine Minerals

Franckeite Image

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Franckeite: (Pb,Sn)6Fe++Sn2Sb2S14

Comments: Massive franckeite with pockets of small .5 mm crystals.
Location: Animas Mine, Atocha-Quechisla district, Sud Chichas Province, Potosí Department, Bolivia. Scale: 25x20x15 mm.
© John Betts - Fine Minerals

Franckeite Image

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Franckeite: (Pb,Sn)6Fe++Sn2Sb2S14

Comments: Massive franckeite with pockets of small .5 mm crystals.
Location: Animas Mine, Atocha-Quechisla district, Sud Chichas Province, Potosí Department, Bolivia. Scale: 25x20x15 mm.
© John Betts - Fine Minerals

Freibergite Image

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Freibergite: (Ag,Cu,Fe)12(Sb,As)4S13

Comments: Dark metallic freibergite in white quartz.
Location: Freiberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: 35x20x10 mm.
© John Betts - Fine Minerals

Freibergite Image

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Freibergite: (Ag,Cu,Fe)12(Sb,As)4S13

Comments: Dark metallic freibergite in white quartz.
Location: Freiberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: 35x20x10 mm.
© John Betts - Fine Minerals

Gadolinite-(Ce) Image

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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-(Ce) Image

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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
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