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Tony Peterson's Photo Gallery

0DJ-Y1XFerrokësterite : Cu2(Fe,Zn)SnS4, Pyrite : FeS2, Franckeite : Pb21.7Sn9.3Fe4.0Sb8.1S56.9

Multiple photos available
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia

Largest Crystal Size: 11 mm

The specimen has not been analyzed and it may be a stannite crystal, but it is very similar to other San Jose ferrokesterites. Elongated franckeite by visual ID.
Copyright: © Tony Peterson      Photo ID: 836313     Uploaded by: Tony Peterson   View Count: 10   Approval status: Public galleries    Type: Photo - 5472 x 3648 pixels (20.0 Mpix)

0DJ-Y1XFerrokësterite : Cu2(Fe,Zn)SnS4, Pyrite : FeS2

Multiple photos available
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia

Dimensions: 4 cm x 2 cm x 1.5 cm
Largest Crystal Size: 11 mm

This specimen was sold to me as stannite but it is seemingly identical to other San Jose ferrokesterite specimens, like this one. There are small amounts of franckeite and cassiterite as well.
Copyright: © Tony Peterson      Photo ID: 836305     Uploaded by: Tony Peterson   View Count: 9   Approval status: Public galleries    Type: Photo - 5184 x 3456 pixels (17.9 Mpix)

NAV-XLYNickelskutterudite : (Ni,Co,Fe)As3, Pyrargyrite : Ag3SbS3

Schlema, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany

Field of View: 5 mm

Cubic, silvery nickelskutterudite partly coated by iridescent safflorite.
Copyright: © Tony Peterson      Photo ID: 835780     Uploaded by: Tony Peterson   View Count: 11   Approval status: Public galleries    Type: Photo - 3800 x 3114 pixels (11.8 Mpix)

NAV-XLYPyrargyrite : Ag3SbS3

Schlema, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany

Field of View: 7 mm

The pyrargyrite cluster is on safflorite, which is coating nickelskutterudite.
Copyright: © Tony Peterson      Photo ID: 835779     Uploaded by: Tony Peterson   View Count: 15   Approval status: Public galleries    Type: Photo - 3600 x 2884 pixels (10.4 Mpix)

NAV-XLYNickelskutterudite : (Ni,Co,Fe)As3, Safflorite : CoAs2

Multiple photos available
Schlema, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany

Field of View: 9 mm

Silvery, cubic nickelskutterudite partly coated by iridescent safflorite.
Copyright: © Tony Peterson      Photo ID: 835777     Uploaded by: Tony Peterson   View Count: 8   Approval status: Public galleries    Type: Photo - 3800 x 2833 pixels (10.8 Mpix)

NAV-XLYNickelskutterudite : (Ni,Co,Fe)As3, Safflorite : CoAs2

Multiple photos available
Schlema, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany

Dimensions: 4 cm x 2.5 cm x 2 cm

The silvery nickelskutterudite is exposed on the left end; most of the specimen is coated with variably iridised safflorite with minor pyrargyrite.
Copyright: © Tony Peterson      Photo ID: 835773     Uploaded by: Tony Peterson   View Count: 10   Approval status: Public galleries    Type: Photo - 5184 x 3372 pixels (17.5 Mpix)

L1C-53MPhonolite, Anorthoclase : (Na,K)AlSi3O8

Mount Kenya, Mount Kenya National Park, Eastern Province, Kenya

Dimensions: 12 cm x 7 cm x 7 cm

This specimen of kenyte (anorthoclase phonolite) was collected from Teleki Tarn in 1986. Other photos uploaded include thin section photographs. The anorthoclase phenocrysts are embedded in glass, some of it partially devitrified.
Copyright: © Tony Peterson      Photo ID: 834044     Uploaded by: Tony Peterson   View Count: 33   Approval status: Public galleries    Type: Photo - 4880 x 3456 pixels (16.9 Mpix)

FYU-TGWWavellite : Al3(PO4)2(OH)3·5H2O, Monazite-(Ce) : Ce(PO4), Cassiterite : SnO2

Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia

Field of View: 5 mm

This view is unfortunately spoiled by the snapped quartz crystal, but it contains a good spray of a colorless mineral which by SEM/EDS is O-Al-P with a trace of F, and must be wavellite. Also present is bright yellow diadochite.
Copyright: © Tony Peterson      Photo ID: 831143     Uploaded by: Tony Peterson   View Count: 16   Approval status: Public galleries    Type: Photo - 3600 x 2824 pixels (10.2 Mpix)

FYU-TGWMonazite, Cassiterite : SnO2

Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia

Field of View: 1 cm

With yellow diadochite (described here) and quartz.
Copyright: © Tony Peterson      Photo ID: 830757     Uploaded by: Tony Peterson   View Count: 12   Approval status: Public galleries    Type: Photo - 4000 x 2779 pixels (11.1 Mpix)

FYU-TGWCassiterite : SnO2, Quartz : SiO2

Multiple photos available
Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia

Field of View: 1 cm

With pink monazite and yellow diadochite (described here).

I selected this quartz-rich view because it is an excellent scene for a stereo image (child photo).
Copyright: © Tony Peterson      Photo ID: 830755     Uploaded by: Tony Peterson   View Count: 21   Approval status: Public galleries    Type: Photo - 4000 x 2916 pixels (11.7 Mpix)
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