John Betts - Fine Minerals's Image Gallery

Images from John Betts - Fine Minerals

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

Sweetite Image

Images:

Sweetite: Zn(OH)2

Comments: A white, pseudocubic crystal of sweetite.
Location: Milltown Quarry, Ashover, Derbyshire, England, UK. Scale: Picture size 1.4 mm.
© John Betts - Fine Minerals

Sweetite Image

Images:

Sweetite: Zn(OH)2

Comments: A white, pseudocubic crystal of sweetite.
Location: Milltown Quarry, Ashover, Derbyshire, England, UK. Scale: Picture size 1.4 mm.
© John Betts - Fine Minerals

Thorite Image

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Thorite: ThSiO4

Comments: Brown crude crystal of thorite var. uranothorite with still visible termination on both ends. Mildly radioactive.
Location: Kemp Uranium Mine, Cheddar, Cardiff Township, Haliburton Co., Ontario, Canada. Scale: 15x14x13 mm.
© John Betts - Fine Minerals

Thorite Image

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Thorite: ThSiO4

Tincalconite Image

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Tincalconite: Na6[B4O5(OH)4]3·8(H2O)

Comments: Pristine white tincalconite pseudomorph after a single borax crystal.
Location: Boron, Kramer District, Kern Co., California, USA. Scale: 30x14x5 mm.
© John Betts - Fine Minerals

Tincalconite Image

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Tincalconite: Na6[B4O5(OH)4]3·8(H2O)

Torbernite Image

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Torbernite: Cu(UO2)2(PO4)2·8-12(H2O)

Comments: Cluster of green torbernite crystals. Radioactive.
Location: Margabal Mine, Entraygues-sur-Truyère, Aveyron, Midi-Pyrénées, France. Scale: 22x13x10 mm.
© John Betts - Fine Minerals

Torbernite Image

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Torbernite: Cu(UO2)2(PO4)2·8-12(H2O)

Tremolite Image

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Tremolite: [ ]Ca2Mg5Si8O22(OH)2

Comments: Dark green tremolite crystal cluster.
Location: Selleck Road Locality, West Pierrepont, St Lawrence Co., New York, USA. Scale: 4.5x2x1.5 cm.
© John Betts - Fine Minerals

Tremolite Image

Images:

Tremolite: [ ]Ca2Mg5Si8O22(OH)2

Comments: Dark green tremolite crystal cluster.
Location: Selleck Road Locality, West Pierrepont, St Lawrence Co., New York, USA. Scale: 4.5x2x1.5 cm.
© John Betts - Fine Minerals

Uranmicrolite Image

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Uranmicrolite: (U,Ca)2(Ta,Nb)2O6(OH)

Comments: lack crystals of (most probably) uranmicrolite [originallly labeled samarskite-(Y)) in purple lepidolite matrix.
Location: Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA. Scale: Specimen Side 3x3x2 cm.
© John Betts - Fine Minerals

Uranmicrolite Image

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Uranmicrolite: (U,Ca)2(Ta,Nb)2O6(OH)

Vitusite-(Ce) Image

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Vitusite-(Ce): Na3(Ce,La,Nd)(PO4)2
Magnesio-arfvedsonite: NaNa2(Mg4Fe++)Si8O22(OH)2

Comments: Translucent beige-colored vitusite-(Ce) in a rim around a black magnesio-arfvedsonite crystal.
Location: Yubileinaya Vein, Karnasurt Mountain, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Russia. Scale: Specimen Size 4x3x3 cm.
© John Betts - Fine Minerals

Vitusite-(Ce) Image

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Vitusite-(Ce): Na3(Ce,La,Nd)(PO4)2
Magnesio-arfvedsonite: NaNa2(Mg4Fe++)Si8O22(OH)2

Vlasovite Image

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Vlasovite: Na2ZrSi4O11
Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)

Comments: Transparent yellow-gray vlasovite crystal frozen in pink eudialyte matrix.
Location: Kipawa alkaline complex, near Sheffield Lake, Villedieu Township, Témiscamingue Co., Québec, Canada. Scale: 2x2x1 cm.
© John Betts - Fine Minerals

Vlasovite Image

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Vlasovite: Na2ZrSi4O11
Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)

Zoisite Image

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Zoisite: Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)

Comments: Dual views of a large crystal of blue-violet zoisite (var. tanzanite) showing the pleochroism.
Location: Merelani Hills, Umba Valley, Lelatema Mts., Arusha Region, Tanzania. Scale: 35 mm 42.32 ct.
© John Betts - Fine Minerals

Zoisite Image

Images:

Zoisite: Ca2Al3(SiO4)3(OH) = Ca2AlAl2(SiO4)(Si2O7)O(OH)