Mineral Specimen Images (Q)

Mineral Specimen Images (Q)
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Mineral Specimen Images (Q) With 40 Images

Quartz Image

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Quartz: SiO2

Comments: Slightly smokey quartz overgrown with rose quartz. Note the exceptional transparency of the rose quartz.
Location: Lavra da Ilha, Taquaral, Minas Gerais, Brazil. Scale: 10 cm by 5.2 cm.
© Kevin Ward

Quartz Image

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Quartz: SiO2  
Chalcopyrite: CuFeS2

Comments: Well-formed crystals of chalcopyrite and quartz.
Location: Boldut mine, 61 level (350 meters deep), Cavnic, Maramures, Rumania. Scale: 5.5 x 3.5 cm.
© Fabre Minerals

Quartz Image

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Quartz: SiO2  
Ilvaite: CaFe++2Fe+++Si2O7O(OH)

Comments: Black, prismatic ilvaite with quartz.
Location: First Sovietskij mine, Dalnjegorsk, Russia. Scale: 3.5 x 4.5 cm.
© Fabre Minerals

Quartz Image

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Quartz: SiO2

Comments: Crystal druse of transparent quartz crystals.
Location: Hot Springs, Arkansas, USA. Scale: Specimen size 6 cm.
© Dave Barthelmy

Quartz Image

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Quartz: SiO2  
Apatite-(CaF): Ca5(PO4)3F

Comments: Purple crystal of fluorapatite on slightly smoky quartz crystals. Former Dr. E.E. David and Houston Museum collections.
Location: Pech, Kunar Province, Nuristan, Afghanistan. Scale: Crystal size 3.0 x 2.1 x 1.7 cm.
© Ed Rosenzweig

Quartz Image

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Quartz: SiO2  
Epistilbite: CaAl2Si6O16·5(H2O)

Comments: White epistilbite cluster 25 mm across on amethyst quartz crystal matrix.
Location: Sawda, Jalgaon, Maharashtra, India. Scale: 10x8x5 cm.
© John Betts - Fine Minerals

Queitite Image

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Queitite: Pb4Zn2(SiO4)(Si2O7)(SO4)

Comments: White earthy queitite masses on quartz.
Location: Tombstone, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Queitite Image

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Queitite: Pb4Zn2(SiO4)(Si2O7)(SO4)

Comments: White earthy queitite masses on quartz.
Location: Tombstone, Cochise County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Quenselite Image

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Quenselite: PbMn+++O2(OH)

Comments: Jet black tabular crystals of quenselite, some striated on matrix.
Location: Langban, Varmland, Sweden. Scale: Crystal size 1.75mm.
© Tom Loomis / Dakota Matrix

Quenselite Image

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Quenselite: PbMn+++O2(OH)

Comments: Jet black tabular crystals of quenselite, some striated on matrix.
Location: Langban, Varmland, Sweden. Scale: Crystal size 1.75mm.
© Tom Loomis / Dakota Matrix

Quenselite Image

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Quenselite: PbMn+++O2(OH)

Comments: Square crystal of quenselite on matrix.
Location: Langban, Sweden. Scale: Crystal size 1 mm.
© John Veevaert

Quenselite Image

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Quenselite: PbMn+++O2(OH)

Comments: Square crystal of quenselite on matrix.
Location: Langban, Sweden. Scale: Crystal size 1 mm.
© John Veevaert

Quenstedtite Image

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Quenstedtite: Fe+++2(SO4)3·10(H2O)

Comments: White crystalline quenstedtite crust.
Location: Richelsdorf, Hessen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Quenstedtite Image

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Quenstedtite: Fe+++2(SO4)3·10(H2O)

Comments: White crystalline quenstedtite crust.
Location: Richelsdorf, Hessen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Quetzalcoatlite Image

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Quetzalcoatlite: Zn8Cu4(TeO3)3(OH)18

Comments: Green encrustation of quetzalcoatlite.
Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Quetzalcoatlite Image

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Quetzalcoatlite: Zn8Cu4(TeO3)3(OH)18

Comments: Green encrustation of quetzalcoatlite.
Location: Moctezuma, Mun. de Moctezuma, Sonora, Mexico. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Quintinite-2H Image

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Quintinite-2H: Mg4Al2(OH)12CO3·4(H2O)  
Quintinite-3T: Mg4Al2(OH)12CO3·4(H2O)

Comments: Pale brownish crystals of quintinite, 2H or 2T polytype unknown.
Location: Jacupiranga Mine, São Paulo, Southeast Region, Brazil. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Quintinite-2H Image

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Quintinite-2H: Mg4Al2(OH)12CO3·4(H2O)  
Quintinite-3T: Mg4Al2(OH)12CO3·4(H2O)

Comments: Pale brownish crystals of quintinite, 2H or 2T polytype unknown.
Location: Jacupiranga Mine, São Paulo, Southeast Region, Brazil. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Qusongite Image

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Qusongite: WC

Comments: BSE image of qusongite (1, 2) and Cr2O3 (3, 4). The high hardness of qusongite shows up in the polished section as relief between the two minerals (AmMin, v94:389.
Location: Heavy mineral concentrate from chromite ores from the Luobusa ophiolite, Qusong County, Tibet, China. Scale: See Image.
© American Mineralogist

Qusongite Image

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Qusongite: WC

Comments: BSE image of qusongite (1, 2) and Cr2O3 (3, 4). The high hardness of qusongite shows up in the polished section as relief between the two minerals (AmMin, v94:389.
Location: Heavy mineral concentrate from chromite ores from the Luobusa ophiolite, Qusong County, Tibet, China. Scale: See Image.
© American Mineralogist
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