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Tony Peterson's Photo Gallery

CDP-N6CSalammoniac, Copiapite

Multiple photos available
Coronel Manuel Rodríguez mine, Mejillones peninsula, Mejillones, Antofagasta Province, Antofagasta, Chile

Dimensions: 5 cm x 4 cm x 2 cm

Front and back views of a specimen from the salammoniac lake near the mine working. There are traces of pyrite, some (non-photogenic) lecontite, and probably some other sulphate species.
Copyright: © Tony Peterson      Photo ID: 931195     Uploaded by: Tony Peterson   View Count: 9   Approval status: Public galleries    Type: Photo - 6108 x 3648 pixels (22.3 Mpix)

CDP-N6CCopiapite, Salammoniac

Multiple photos available
Coronel Manuel Rodríguez mine, Mejillones peninsula, Mejillones, Antofagasta Province, Antofagasta, Chile

Field of View: 1 cm

Copyright: © Tony Peterson      Photo ID: 931193     Uploaded by: Tony Peterson   View Count: 15   Approval status: Public galleries    Type: Photo - 5184 x 3456 pixels (17.9 Mpix)

CDP-N6CSalammoniac, Copiapite

Coronel Manuel Rodríguez mine, Mejillones peninsula, Mejillones, Antofagasta Province, Antofagasta, Chile

Field of View: 4 mm

There are traces of pyrite in the depression.
Copyright: © Tony Peterson      Photo ID: 931191     Uploaded by: Tony Peterson   View Count: 12   Approval status: Public galleries    Type: Photo - 5184 x 3456 pixels (17.9 Mpix)

M1R-6R5Dolomite-carbonatite

Multiple photos available
Verity Property, Lempriere Station, Kamloops Mining Division, British Columbia, Canada

Dimensions: 15 cm x 11 cm x 7 cm

The leucocratic portion of this coarse intrusive rock is about 50/50 dolomite/calcite, with apatite and zircon. Dark areas are olivine and magnetite, and there is brown phlogopite also. A portion of this intrusion underwent contact metamorphism which generated excellent graphite crystals.
Copyright: © Tony Peterson      Photo ID: 930508     Uploaded by: Tony Peterson   View Count: 22   Approval status: Public galleries    Type: Photo - 3648 x 5019 pixels (18.3 Mpix)

DAE-V8LGaidonnayite

Multiple photos available
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Field of View: 7 mm

This is an overlay of a fluorescence exposure on a halogen light picture (both are stacked) of gaidonnayite crystals on aegirine/rhodochrosite/alkali feldspar. The fluorescence image has been edited to reduce/remove reflections, faint red fluorescence of feldspar, etc. The separate images are given as child photos.

UV fluorescence microphotography presents some challenges, including adequate and even illumination from the UV source, and long exposure times at high ISO resulting in substantial noise. This intensely fluorescent species is a good one to start with.
Copyright: © Tony Peterson      Photo ID: 928095     Uploaded by: Tony Peterson   View Count: 36   Approval status: Public galleries    Type: Photo - 5472 x 3648 pixels (20.0 Mpix)

P1R-5TEFranconite

Multiple photos available
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Field of View: 4 mm

I believe the matrix is mainly rhodochrosite, of more than one generation, with aegirine.
Copyright: © Tony Peterson      Photo ID: 927913     Uploaded by: Tony Peterson   View Count: 15   Approval status: Public galleries    Type: Photo - 5184 x 3156 pixels (16.4 Mpix)

P1R-5TEFranconite

Multiple photos available
Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Field of View: 4 mm

Most of the matrix is rhodochrosite and aegirine, I think.
Copyright: © Tony Peterson      Photo ID: 927912     Uploaded by: Tony Peterson   View Count: 7   Approval status: Public galleries    Type: Photo - 4800 x 3324 pixels (16.0 Mpix)

X6H-LC3Wadeite

Multiple photos available
Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

Field of View: 5 mm

There are some very well-formed, highly transparent wadeite crystals in this pocket. The contrast between them is low, so I have enhanced this to visually separate them - the true color is a little less saturated.
Copyright: © Tony Peterson      Photo ID: 927869     Uploaded by: Tony Peterson   View Count: 13   Approval status: Public galleries    Type: Photo - 4908 x 3456 pixels (17.0 Mpix)

X6H-LC3Wadeite

Multiple photos available
Eveslogchorr Mt, Khibiny Massif, Murmansk Oblast, Russia

Field of View: 14 mm

A breached, wadeite-filled pocket on alkali feldspar with aegirine.
Copyright: © Tony Peterson      Photo ID: 927866     Uploaded by: Tony Peterson   View Count: 9   Approval status: Public galleries    Type: Photo - 4938 x 3456 pixels (17.1 Mpix)

X4P-7FQChlorargyrite, Caledonite

Multiple photos available
Victoria Segunda mine, Pampa del Tamarugal, El Tamarugal province, Tarapacá, Chile

Field of View: 4 mm

Exceptionally well-formed chlorargyrite crystals embedded in caledonite. The caledonite is so glassy and its color so intense, the blue channel is nearly saturated.
Copyright: © Tony Peterson      Photo ID: 927811     Uploaded by: Tony Peterson   View Count: 9   Approval status: Public galleries    Type: Photo - 4674 x 3456 pixels (16.2 Mpix)
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