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Alejandro Felix Gutierrez's Photo Gallery

TD4-JEPScorodite, Arsenopyrite, Fluorite, Calcite, Limonite

Multiple photos available
Ojuela Mine, Mapimí, Mapimí Municipality, Durango, Mexico

Dimensions: 9 cm x 5 cm x 4.7 cm
Field of View: 4 cm
Largest Crystal Size: 1.7 cm

Scorodite from a recent find. The specimen has two main druses, one in each side: The front one consist of black bipyramidal crystals of scorodite on greenish tinge formed by alteration of arsenopyrite, the back one is comprised by black crystals of scorodite with a golden tarnish. The majority of the scorodite crystals in the front druse are double terminated, there are also corroded calcite by the acid drainage, purple fluorite and silver white arsenopyrite (it smells like garlic).

Collected by a miner on july 3th.
Photo ID: 966201     Uploaded by: Alejandro Felix Gutierrez   View Count: 83   Approval status: Public galleries    Type: Photo - 4160 x 3120 pixels (13.0 Mpix)

Y10-FJGAdamite, Limonite

Ojuela Mine, Mapimí, Mapimí Municipality, Durango, Mexico

Dimensions: 4.5 cm x 2.5 cm x 2.6 cm
Largest Crystal Size: 8 mm

Lime adamite on gossan matrix. The specimen is comprised by six hemispheres, each one of them are formed by multiple fanlike agreggates.This miniture is a bit dirty, but I'm going to leave it as it's.
Photo ID: 965819     Uploaded by: Alejandro Felix Gutierrez   View Count: 9   Approval status: Public galleries    Type: Photo - 2060 x 1578 pixels (3.3 Mpix)

T0R-1FDDatolite

Multiple photos available
Bor Pit, Dal'negorsk B deposit, Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia

Dimensions: 4 cm x 3.3 cm x 2.4 cm
Largest Crystal Size: 1.6 cm
Weight: 36 g

Gemmy crystals of datolite, some crystal faces have hoppered surfaces .
Photo ID: 958321     Uploaded by: Alejandro Felix Gutierrez   View Count: 39   Approval status: Public galleries    Type: Photo - 1711 x 1684 pixels (2.9 Mpix)

5D3-AD3Pseudomalachite, Libethenite

Miguel Vacas Mine, Conceição, Vila Viçosa, Évora, Portugal

Dimensions: 6 cm x 3 cm x 2.2 cm
Weight: 42 g

Botryoidal crusts of pseudomalachite, the are also some libethenite crystals covering some areas of the specimen.
Photo ID: 957377     Uploaded by: Alejandro Felix Gutierrez   View Count: 16   Approval status: Public galleries    Type: Photo - 2774 x 1501 pixels (4.2 Mpix)

TWG-81KStilbite-Ca, Laumontite, Quartz

Multiple photos available
Basalt Quarry, Ambariomiambana, Ambohimalaza Commune, Sambava District, Sava, Madagascar

Dimensions: 5.8 cm x 4.2 cm x 3 cm
Weight: 59 g

Sheaflike clusters of stilbite-Ca on basalt, the are also some laumontite and millimetric quartz crystals.
Photo ID: 957374     Uploaded by: Alejandro Felix Gutierrez   View Count: 8   Approval status: Public galleries    Type: Photo - 2236 x 2019 pixels (4.5 Mpix)

L8D-LPEAnalcime

Amethyst Cove, Bay of Fundy, Kings Co., Nova Scotia, Canada

Dimensions: 7.3 cm x 3.5 cm x 5 cm
Largest Crystal Size: 3.3 cm

Large pseudo-trapezohedrons of analcime, some crystals share the same face.

Photo ID: 957371     Uploaded by: Alejandro Felix Gutierrez   View Count: 8   Approval status: Public galleries    Type: Photo - 2758 x 1929 pixels (5.3 Mpix)

Microbialites

Lake Alchichica, Alchichica, Tepeyahualco Municipality, Puebla, Mexico

Microbialites in the edge of the lake, the are two generation: the emerged white mounds are the oldest ones, the brown mounds under water are the new generation. A friend of mine is on one of the microbialites.
Photo ID: 954577     Uploaded by: Alejandro Felix Gutierrez   View Count: 38   Approval status: Public galleries    Type: Photo - 3120 x 4160 pixels (13.0 Mpix)

Ballistic impact sags.

Lake Alchichica, Alchichica, Tepeyahualco Municipality, Puebla, Mexico

Surge deposit in the east rim of the crater. This sequence was deformed by the impact of ballistic, the block has diameter of 60 cm.
Photo ID: 954574     Uploaded by: Alejandro Felix Gutierrez   View Count: 35   Approval status: Public galleries    Type: Photo - 3120 x 4160 pixels (13.0 Mpix)

Lake Alchichica

Lake Alchichica, Alchichica, Tepeyahualco Municipality, Puebla, Mexico

A photo of the west rim of the crater and the lake. The white mounds near the edge of the lake are microbialites, these structures are formed by mediation of cyanobacterias.
Photo ID: 954572     Uploaded by: Alejandro Felix Gutierrez   View Count: 16   Approval status: Public galleries    Type: Photo - 3111 x 2954 pixels (9.2 Mpix)

Accretionary lapilli

Lake Alchichica, Alchichica, Tepeyahualco Municipality, Puebla, Mexico

Accretionary lapilli deposited by pyroclastic fall, the outcrop is located in the east side of the lake.
Photo ID: 954547     Uploaded by: Alejandro Felix Gutierrez   View Count: 18   Approval status: Public galleries    Type: Photo - 3120 x 4160 pixels (13.0 Mpix)
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