Diederik Visser's Image Gallery

Diederik Visser's Image Gallery
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Images from Diederik Visser

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Diederik Visser's Image Gallery With 266 Images

Ferrorhodsite Image

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Ferrorhodsite: (Fe,Cu)(Rh,Ir,Pt)2S4

Comments: Epoxy grain mount of ferrorhodsite grains.
Location: Yukhtochka placer, tributary of South Aldan River, Yakutia, Russia. Scale: Scale Bar 100 µm.
© Diederik Visser

Ferrorhodsite Image

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Ferrorhodsite: (Fe,Cu)(Rh,Ir,Pt)2S4

Comments: Epoxy grain mount of ferrorhodsite grains.
Location: Yukhtochka placer, tributary of South Aldan River, Yakutia, Russia. Scale: Scale Bar 100 µm.
© Diederik Visser

Ferrosaponite Image

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Ferrosaponite: Ca0.3(Fe++,Mg,Fe+++)3(Si,Al)4O10(OH)2·4(H2O)

Comments: Black to greenish black balls of radiating Ferrosaponite crystals on white calcite.
Location: Levoberezhye Icelandspar deposit, Nizhuyaya Tunguska river, Evenkiya, Siberia, Russia. Scale: Not Given.
© Diederik Visser

Ferrosaponite Image

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Ferrosaponite: Ca0.3(Fe++,Mg,Fe+++)3(Si,Al)4O10(OH)2·4(H2O)

Comments: Black to greenish black balls of radiating Ferrosaponite crystals on white calcite.
Location: Levoberezhye Icelandspar deposit, Nizhuyaya Tunguska river, Evenkiya, Siberia, Russia. Scale: Not Given.
© Diederik Visser

Franconite Image

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Franconite: Na2Nb4O11·9(H2O)

Comments: Irregular to ball-shaped aggregates of silky white franconite on white albite.
Location: Mont St. Hilaire, Quebec, Canada. Scale: Specimen Size 2.5 x 4 cm.
© Diederik Visser

Franconite Image

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Franconite: Na2Nb4O11·9(H2O)

Comments: Irregular to ball-shaped aggregates of silky white franconite on white albite.
Location: Mont St. Hilaire, Quebec, Canada. Scale: Specimen Size 2.5 x 4 cm.
© Diederik Visser

Georgechaoite Image

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Georgechaoite: KNaZrSi3O9·2(H2O)

Comments: Single tan crystal of georgechaoite.
Location: Tolbachik Volcano, Kamchatka, Russia. Scale: Crystal Size 1.2 mm.
© Diederik Visser

Georgechaoite Image

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Georgechaoite: KNaZrSi3O9·2(H2O)

Comments: Single tan crystal of georgechaoite.
Location: Tolbachik Volcano, Kamchatka, Russia. Scale: Crystal Size 1.2 mm.
© Diederik Visser

Gmelinite-K Image

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Gmelinite-K: (K,Na,Ca)6(Al7Si17O48)·22(H2O)

Comments: Pink to reddish brown gmelinite-K crystals in a cavity in matrix.
Location: Fara Vicentino, Vicenza, Veneto, Italy. Scale: Not Given.
© Diederik Visser

Gmelinite-K Image

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Gmelinite-K: (K,Na,Ca)6(Al7Si17O48)·22(H2O)

Comments: Pink to reddish brown gmelinite-K crystals in a cavity in matrix.
Location: Fara Vicentino, Vicenza, Veneto, Italy. Scale: Not Given.
© Diederik Visser

Grischunite Image

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Grischunite: NaCa2Mn++5Fe+++(AsO4)6·2(H2O)

Comments: Red-brown prismatic grischunite crystals on matrix.
Location: Falotta, Tinzen, Oberhalbstein, Graubünden, Switzerland. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Grischunite Image

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Grischunite: NaCa2Mn++5Fe+++(AsO4)6·2(H2O)

Comments: Red-brown prismatic grischunite crystals on matrix.
Location: Falotta, Tinzen, Oberhalbstein, Graubünden, Switzerland. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Guimaraesite Image

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Guimaraesite: Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

Comments: Brown guimaraesite spheres and crystal aggregates..
Location: Piaui district, Itinga, Minas Gerais, Brazil. Scale: Specimen size 2 mm.
© Diederik Visser

Guimaraesite Image

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Guimaraesite: Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

Comments: Brown guimaraesite spheres and crystal aggregates..
Location: Piaui district, Itinga, Minas Gerais, Brazil. Scale: Specimen size 2 mm.
© Diederik Visser

Gupeiite Image

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Gupeiite: Fe3Si

Comments: BSE image of a gupeiite (1) nodule surrounded by TiO2 (2).
Location: Turishkino, Leningrad District, Russia. Scale: See Image.
© Diederik Visser

Gupeiite Image

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Gupeiite: Fe3Si

Comments: BSE image of a gupeiite (1) nodule surrounded by TiO2 (2).
Location: Turishkino, Leningrad District, Russia. Scale: See Image.
© Diederik Visser

Gutkovaite-Mn Image

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Gutkovaite-Mn: CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O)

Comments: Pale pink gutkovaite-(Mn) in matrix.
Location: Malyi Mannepakhk Mt., Chibiny, Kola, Russia. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Gutkovaite-Mn Image

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Gutkovaite-Mn: CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5(H2O)

Comments: Pale pink gutkovaite-(Mn) in matrix.
Location: Malyi Mannepakhk Mt., Chibiny, Kola, Russia. Scale: Specimen Size 1.5x2 cm.
© Diederik Visser

Jasmundite Image

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Jasmundite: Ca11(SiO4)4O2S  
Cuspidine: Ca4Si2O7(F,OH)2

Comments: Tan-brownish crystals of jasmundite and dark green cuspidine with gehlenite and spinel in matrix.
Location: Bellerberg, Eifel, Germany. Scale: Not Given.
© Diederik Visser

Jasmundite Image

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Jasmundite: Ca11(SiO4)4O2S  
Cuspidine: Ca4Si2O7(F,OH)2

Comments: Tan-brownish crystals of jasmundite and dark green cuspidine with gehlenite and spinel in matrix.
Location: Bellerberg, Eifel, Germany. Scale: Not Given.
© Diederik Visser
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