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Dean Allum's Photo Gallery

2N6-Y3UPyrite, Hematite, Calcite

Bastrop Co., Texas, USA

Dimensions: 130 mm x 80 mm x 20 mm

Pyrite "Veins" on hematite on Calcite. Apparently this is a pyrite concretion. It was found in the Colorado River of Texas in Bastrop County. Size is 13x8x2cm. Each Pytite vein is approximately 1 mm wide. Also, it vaguely resembles a human spleen.
Photo ID: 952176     Uploaded by: Dean Allum   View Count: 13   Approval status: Public galleries    Type: Photo - 336 x 445 pixels (0.1 Mpix)

3H0-80RPyrite, Hematite, Calcite

Bastrop Co., Texas, USA

Dimensions: 130 mm x 90 mm x 50 mm

Pyrite "Veins" on hematite on Calcite. Apparently this is a pyrite concretion. It was found in the Colorado River of Texas in Bastrop County. Size is 13x9x5cm. Each Pytite vein is approximately 1 mm wide. Also, it vaguely resembles a human heart.
Photo ID: 952175     Uploaded by: Dean Allum   View Count: 10   Approval status: Public galleries    Type: Photo - 1921 x 2497 pixels (4.8 Mpix)

LWG-VDECalcite

Popes Bluff, Colorado Springs Area, El Paso Co., Colorado, USA

Field of View: 30 cm
Largest Crystal Size: 12 cm

Irregular shaped Calcite concretions 5 to 12 cm long. These were found on a road nearby after a flood.
Photo ID: 911970     Uploaded by: Dean Allum   View Count: 21   Approval status: Public galleries    Type: Photo - 3862 x 2292 pixels (8.9 Mpix)

DEL-Y5ACalcite

Popes Bluff, Colorado Springs Area, El Paso Co., Colorado, USA

Field of View: 25 cm
Largest Crystal Size: 80 mm

Calcite concretions 4 to 8 cm wide. Walnut to spherical shaped. These were found on a road nearby after a flood.
Photo ID: 911968     Uploaded by: Dean Allum   View Count: 21   Approval status: Public galleries    Type: Photo - 4272 x 2848 pixels (12.2 Mpix)

XPH-MJVCalcite

Bastrop Co., Texas, USA

Dimensions: 10 cm x 6.5 cm x 0.7 cm
Field of View: 25 cm

Yellow calcite, 10cm across, one with crystal faces found in the Colorado River in Bastrop County. These are probably portions of concretions
Photo ID: 911966     Uploaded by: Dean Allum   View Count: 11   Approval status: Public galleries    Type: Photo - 4272 x 2848 pixels (12.2 Mpix)

2PW-MRJPyrite

Bastrop Co., Texas, USA

Field of View: 35 cm

Pyrite concretions of irregular shapes, 5 to 11 cm long. Found in the Colorado River in Bastrop County, TX
Photo ID: 910748     Uploaded by: Dean Allum   View Count: 17   Approval status: Public galleries    Type: Photo - 2296 x 1632 pixels (3.7 Mpix)

EF8-T8KPyrite

Bastrop Co., Texas, USA

Field of View: 35 cm

Pyrite concretions of irregular shapes, 6 to 11 cm long. Found in the Colorado River in Bastrop County, TX
Photo ID: 910747     Uploaded by: Dean Allum   View Count: 17   Approval status: Public galleries    Type: Photo - 3499 x 2680 pixels (9.4 Mpix)

XTU-4CJPyrite

Bastrop Co., Texas, USA

Field of View: 35 cm
Largest Crystal Size: 12 cm

Pyrite concretions of irregular shapes, 7 to 12 cm long. Some resembling Olmec artifacts. Found in the Colorado River in Bastrop County, TX
Photo ID: 910746     Uploaded by: Dean Allum   View Count: 18   Approval status: Public galleries    Type: Photo - 3226 x 2486 pixels (8.0 Mpix)

4G1-A02Pyrite

Bastrop Co., Texas, USA

Field of View: 40 cm
Largest Crystal Size: 17 cm

Unusual shape and long Pyrite concretions. Largest is 17cm long, 675 gm. Found in the Colorado River in Bastrop County, TX
Photo ID: 910743     Uploaded by: Dean Allum   View Count: 21   Approval status: Public galleries    Type: Photo - 3292 x 2062 pixels (6.8 Mpix)

GRE-N6XPyrite

Bastrop Co., Texas, USA

Field of View: 35 cm

Pyrite Concretion masses, 5 to 14 cm across, with oolitic to botryoidal morphologies. Found in the Colorado River in Bastrop County, TX
Photo ID: 910741     Uploaded by: Dean Allum   View Count: 21   Approval status: Public galleries    Type: Photo - 3351 x 2588 pixels (8.7 Mpix)
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