Jeff Weissman's Image Gallery

Jeff Weissman's Image Gallery
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Hudson Institute of Mineralogy

Images from Jeff Weissman

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Jeff Weissman's Image Gallery With 1177 Images

Kornerupine Image

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Kornerupine: (Mg,Fe++)4Al6(SiO4,BO4)5(O,OH)2

Comments: Greenish gray mottled crystal prism of kornerupine.
Location: Western Hart's Range, Northern Territory, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Korzhinskite Image

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Korzhinskite: CaB2O4·(H2O)

Comments: Translucent fragment of korzhinskite.
Location: Novofrolovskoye, Sverdlovsk District, Northern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kosmochlor Image

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Kosmochlor: NaCr+++Si2O6

Comments: Green resinous massive kosmochlor, variety ureyite, in serpentinite.
Location: Myanmar. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Koutekite Image

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Koutekite: Cu5As2  
Algodonite: Cu6As

Comments: Silvery metallic koutekite with darker gray algodonite.
Location: Mohawk Mine, Keweenaw County, Michigan, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kozulite Image

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Kozulite: NaNa2Mn++4(Fe+++,Al)Si8O22(OH)2

Comments: Dark reddish-black granular kozulite in pale pink rhodonite with dark brown braunite.
Location: Tanohata Mine, Tanohata Muro, Shimoheii gun, Iwate, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kraisslite Image

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Kraisslite: (Mn++,Mg)24Zn3Fe+++(As+++O3)2(As+++++O4)3(SiO4)6(OH)18

Comments: Yellow crystalline kraisslite in calcite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kratochvilite Image

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Kratochvilite: (C6H4)2CH2

Comments: Pale yellow to brown crystalline crust of kratochvilite on shale.
Location: Zastavka, near Brna, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Krauskopfite Image

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Krauskopfite: BaSi2O4(OH)2·2(H2O)

Comments: White pearly crystalline krauskopfite on quartz.
Location: Rush Creek, Fresno County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Krautite Image

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Krautite: MnAs+++++O3(OH)2·(H2O)

Comments: Pale pink aggregates of krautite on greenish colored matrix.
Location: Jachymov, Bohemia, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Krupkaite Image

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Krupkaite: PbCuBi3S6  
Friedrichite: Pb5Cu5Bi7S18  
Benjaminite: (Ag,Cu)3(Bi,Pb)7S12

Comments: Crystals of a mixture of friedrichite, krupkaite, and benjaminite, with quartz crystals.
Location: Estela Mine, Julcani District, Junin, Peru. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Krutaite Image

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Krutaite: CuSe2  
Kerstenite: PbSeO4 (?)  
Clinochalcomenite: CuSeO3·2(H2O)

Comments: Tan opaque fibrous kerstenite with possible blue clinochalcomenite on dark krutaite.
Location: Mina El Dragon, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kukharenkoite-(La) Image

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Kukharenkoite-(La): Ba2(La,Ce)(CO3)3F

Comments: Very small olive-green sprays of kukharenkoite-(La) crystals.
Location: Kirovsky apatite mine, Mount Kukisvumchorr, Khibina massif, Kola Peninsula, Russia.. Scale: Crystal Size to 0.02 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Kupletskite-(Cs) Image

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Kupletskite-(Cs): (Cs,K)2Na(Mn,Fe++,Li)7(Ti,Nb)2Si8O26(OH)4F  
Tienshanite: BaNa2MnTiB2Si6O20

Comments: Dark olive-green colored crystalline tienshanite with cesium-kupletskite in microcline.
Location: Dara-Pioz, Tien-Shan, Tadzhikistan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kurchatovite Image

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Kurchatovite: Ca(Mg,Mn,Fe++)B2O5

Comments: Gray crystalline kurchatovite (arrow) in matrix (distinguishable by violet fluorescence).
Location: Solongo, Republic of Buryatia, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kyrgyzstanite Image

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Kyrgyzstanite: ZnAl4(SO4)(OH)12·3(H2O)

Comments: A small coating of greenish kyrgyzstanite..
Location: Kara-Tangi U deposit, Batken Oblast, Kyrgyzstan. Scale: Field of view 0.3 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Labuntsovite-Mg Image

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Labuntsovite-Mg: Na4K4(Ba,K)(Mg,Fe)1+xTi8(Si4O12)4(O,OH)8·10(H2O)

Comments: Orange-brown crystal of labuntsovite-Mg, sitting on a bed of platy catapleiite crystals, with dolomite.
Location: Zheleznyi Mine (Iron Mine), Kovdor Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Crystal Size 0.15 cm.
© Jeff Weissman / Photographic Guide to Mineral Species

Lacroixite Image

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Lacroixite: NaAl(PO4)F  
Berlinite: AlPO4

Comments: Pale olive green crystalline lacroixite with white crystalline berlinite.
Location: Rusororo Pegmatite, Gatumba, Gisenyi, Rwanda. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lammerite Image

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Lammerite: Cu3[(As,P)O4]2

Comments: Emerald green crystalline lammerite in matrix.
Location: Laurani Mine, South Yeronime, Laurani, La Paz, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Lamprophyllite Image

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Lamprophyllite: Na2(Sr,Ba)2Ti3(SiO4)4(OH,F)2  
Barytolamprophyllite: Ba2Na3(Fe+++,Ti)3(Si2O7)2(O,OH,F)4

Comments: Brownish-yellow barytolamprophyllite on dark green lamprophyllite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Landauite Image

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Landauite: NaMnZn2(Ti,Fe+++)6Ti12O38

Comments: Black granular landauite in matrix.
Location: Northwest Territories, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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