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Zach Berghorst's Photo Gallery

HYX-X96Löllingite

Multiple photos available
Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington Co., South Dakota, USA

Dimensions: 3.3 cm x 2.1 cm x 1.3 cm
Field of View: 6.7 mm

Silvery löllingite in matrix.

Copyright: © Zach Berghorst      Photo ID: 953971     Uploaded by: Zach Berghorst   View Count: 14   Approval status: Public galleries    Type: Photo - 2124 x 1728 pixels (3.7 Mpix)

9KK-HUAColumbite-(Fe)-Tantalite-(Fe) Series

Multiple photos available
Bob Ingersoll Mine, Keystone, Keystone Mining District, Pennington Co., South Dakota, USA

Dimensions: 12 cm x 9.5 cm x 10 cm

Columbite-Tantalite series crystals on Albite matrix.

Photo ID: 909527     Uploaded by: Zach Berghorst   View Count: 26   Approval status: Public galleries    Type: Photo - 6000 x 4000 pixels (24.0 Mpix)

D48-VCQGold

Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA

Dimensions: 2.1 cm x 1.1 cm x 2.1 cm
Field of View: 9 mm

Gold in green schist.

Photo ID: 907426     Uploaded by: Zach Berghorst   View Count: 12   Approval status: Public galleries    Type: Photo - 2592 x 1944 pixels (5.0 Mpix)

MR7-72HGold

Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA

Dimensions: 2.5 cm x 1 cm x 1.3 cm
Field of View: 6.7 mm

Gold crystals in green schist.

Photo ID: 907425     Uploaded by: Zach Berghorst   View Count: 16   Approval status: Public galleries    Type: Photo - 2189 x 1773 pixels (3.9 Mpix)

42C-QDTGold

Multiple photos available
Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA

Dimensions: 2.6 cm x 2 cm x 1 cm
Field of View: 8.7 mm

Gold embedded in schist.

Photo ID: 907422     Uploaded by: Zach Berghorst   View Count: 17   Approval status: Public galleries    Type: Photo - 2592 x 1944 pixels (5.0 Mpix)

351-D37Gold

Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA

Dimensions: 3 cm x 2.7 cm x 2.3 cm
Field of View: 8 mm

Gold flake in schist.

Photo ID: 907421     Uploaded by: Zach Berghorst   View Count: 15   Approval status: Public galleries    Type: Photo - 2592 x 1944 pixels (5.0 Mpix)

R0P-FAFGold

Multiple photos available
Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA

Dimensions: 2.7 cm x 2 cm x 1.3 cm
Field of View: 7 mm
Largest Crystal Size: 4 mm

Gold wire coming out of cummingtonite schist.

Photo ID: 907419     Uploaded by: Zach Berghorst   View Count: 19   Approval status: Public galleries    Type: Photo - 2104 x 1937 pixels (4.1 Mpix)

EL5-VT3Tiptopite, Montgomeryite

Multiple photos available
Tip Top Mine, Fourmile, Custer Mining District, Custer Co., South Dakota, USA

Dimensions: 4.3 cm x 3.3 cm x 3.5 cm
Field of View: 2 mm

Acicular Tiptopite with light brown/tan Montgomeryite. This specimen also contains Roscherite and Englishite and is on a matrix of Beryl.

Copyright: © Zach Berghorst      Photo ID: 900587     Uploaded by: Zach Berghorst   View Count: 37   Approval status: Public galleries    Type: Photo - 2298 x 1912 pixels (4.4 Mpix)

EF3-NU8Almandine, Gold

Homestake Mine, Lead, Lead Mining District, Lawrence Co., South Dakota, USA

Dimensions: 3 inches x 2.25 inches x 0.75 inches
Field of View: 6.8 mm

Gold crystallization in rough almandine crystal in cummingtonite schist matrix.
Copyright: © Zach Berghorst      Photo ID: 893246     Uploaded by: Zach Berghorst   View Count: 42   Approval status: Public galleries    Type: Photo - 2169 x 1846 pixels (4.0 Mpix)

RDP-YXFSincosite

Ross Hannibal Mine, Lead Mining District, Lawrence Co., South Dakota, USA

Dimensions: 3.25 inches x 3 inches x 1.5 inches
Field of View: 1.4 cm
Largest Crystal Size: 2.5 mm

Two relatively large sincosite crystals, each measuring about 2.5 mm across. There is a color change from light green center to dark green rims on both crystals.
Copyright: © Zach Berghorst      Photo ID: 892490     Uploaded by: Zach Berghorst   View Count: 23   Approval status: Public galleries    Type: Photo - 2212 x 1619 pixels (3.6 Mpix)
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