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Saul Krotki's Photo Gallery

ET5-50GArfvedsonite : NaNa2(Fe2+4Fe3+)Si8O22(OH)2

Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA

Arfvedsonite with telescoping termination and quartz, in iron stained miarolitic cavity, North Cascade Highway, milepost 166 collecting area.
Photomicrograph © Saul Krotki 2013 (.1325). Field of view 4.0 mm.
Krotki field trip May 2013.
Copyright: © Saul Krotki 2013      Photo ID: 546306     Uploaded by: Saul Krotki   View Count: 210   Approval status: Public galleries    Type: Photo - 612 x 417 pixels (0.3 Mpix)

P9X-DN4Zircon : Zr(SiO4)

Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA

Zircon with four-section pyramid termination. Washington Pass, North Cascade Highway, milepost 166, Okanogan Co., WA. Drawing idealized from photomicrograph © Saul Krotki 2010 (.1066), field of view 2.0 mm.
Copyright: © Saul Krotki 2010      Photo ID: 357368     Uploaded by: Saul Krotki   View Count: 976   Approval status: Public galleries    Type: Photo - 627 x 699 pixels (0.4 Mpix)

W48-QWKZektzerite : NaLiZrSi6O15, Astrophyllite : K2NaFe2+7Ti2(Si4O12)2O2(OH)4F

Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA

These crystals were collected by Kristin Lindell in the Willow Creek area near Washington Pass, Okanogan Co., Washington. The miarolitic cavity that produced these crystals was unique, for the included needles of astrophyllite, did not occur in any of the other cavities that were discovered in 2009. On the left a cluster 14 mm across. On the right detail with astrophyllite inclustions, 3.4 mm wide. Photomicrograph © Saul Krotki 2010(.1035).
Copyright: © Saul Krotki 2009      Photo ID: 313942     Uploaded by: Saul Krotki   View Count: 675   Approval status: Public galleries    Type: Photo - 648 x 272 pixels (0.2 Mpix)

EVK-9NYCarnotite : K2(UO2)2(VO4)2·3H2O

Anderson Mine, Date Creek Basin, Yavapai Co., Arizona, USA

Photomicrograph © Saul Krotki 2010 (.1036.3). Field of view 4.0 mm.
Copyright: © Saul Krotki 2009      Photo ID: 312071     Uploaded by: Saul Krotki   View Count: 339   Approval status: Public galleries    Type: Photo - 648 x 520 pixels (0.3 Mpix)

JJ6-LNMMelanophlogite : 46SiO2·6(N2,CO2)·2(CH4,N2)

Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy

Photomicrograph © Saul Krotki 2010 (.1027). 12.0 mm area of thumbnail size matrix specimen. Krotki Micromount Collection.
Copyright: © Saul Krotki 2010      Photo ID: 293699     Uploaded by: Saul Krotki   View Count: 452   Approval status: Public galleries    Type: Photo - 1000 x 703 pixels (0.7 Mpix)

J4L-WHQAlbite : Na(AlSi3O8), Zircon : Zr(SiO4)

Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA

Iron diffusion halo surrounding a cluster of flattened zircon crystals, on microcline overgrown with albite. The zircon has been verified by EDS analysis. Several minute, but very odd zircon clusters, have been found in boulders at the North Cascade Highway, milepost 165 avalanche chute. Photomicrograph © Saul Krotki 2010 (.1023). Field of view 2.5 mm. Krotki field trip, August 2009. Krotki Micromount Collection.
Copyright: © Saul Krotki 2010      Photo ID: 290632     Uploaded by: Saul Krotki   View Count: 417   Approval status: Public galleries    Type: Photo - 1200 x 729 pixels (0.9 Mpix)

F2Y-HLDGadolinite-(Ce) : (Ce,La,Nd,Y)2Fe2+Be2Si2O10

Washington Pass, Golden Horn Batholith, Okanogan Co., Washington, USA

An isolated well-formed single crystal of gadolinite-(Ce), North Cascade Highway, milepost 165, Okanogan Co., WA. Photomicrograph © Saul Krotki 2010 (.1021). Field of view 2.5 mm. Saul Krotki field trip, August 2009. Krotki Micromount Collection.
Copyright: © Saul Krotki 2010      Photo ID: 286334     Uploaded by: Saul Krotki   View Count: 361   Approval status: Public galleries    Type: Photo - 612 x 423 pixels (0.3 Mpix)

4DR-J0UFluorite : CaF2

Mount Bischoff mine, Waratah, Waratah district, Waratah-Wynyard municipality, Tasmania, Australia

Fluorite cube with hexoctahedral modifications. Prevalent twining obscured the idea "crystal model" complete form. Photomicrograph © Saul Krotki 2010 (.1080.2. Field of view 4.0 mm. Micromineral specimen provided for this study by Brian Carney.
Krotki Micromount Collection.
Copyright: © Saul Krotki 2010      Photo ID: 278849     Uploaded by: Saul Krotki   View Count: 299   Approval status: Public galleries    Type: Photo - 648 x 530 pixels (0.3 Mpix)

1QE-CEWMinyulite : KAl2(PO4)2F·4H2O

Tom's quarry, Kapunda, North Mt Lofty Ranges, Mt Lofty Ranges, South Australia, Australia

Specimen provided by Brian Carney. Photomicrograph © Saul Krotki 2010 (.1020.1).
Field of view 2.4 mm wide. Krotki Micromount Collection.
Copyright: © Saul Krotki 2009      Photo ID: 278295     Uploaded by: Saul Krotki   View Count: 516   Approval status: Public galleries    Type: Photo - 612 x 448 pixels (0.3 Mpix)

ADC-P4NMinyulite : KAl2(PO4)2F·4H2O

Tom's quarry, Kapunda, North Mt Lofty Ranges, Mt Lofty Ranges, South Australia, Australia

Specimen provided by Brian Carney. Photomicrograph © Saul Krotki 2010 (.1020.2).
Field of view 4.0 mm wide. Krotki Micromount Collection.
Copyright: © Saul Krotki 2009      Photo ID: 278294     Uploaded by: Saul Krotki   View Count: 655   Approval status: Public galleries    Type: Photo - 612 x 450 pixels (0.3 Mpix)
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