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Boisduval's Blue

Boisduval's Blue (Plebejus icarioides). Yosemite Creek area. Yosemite National Park. Mariposa Co., Calif.

Uploaded on Jan 31, 2012

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American Bittern

American Bittern (Botaurus lentiginosus). Shoreline Park. Mountain View, Santa Clara Co., Calif.

Uploaded on Jan 31, 2012

2 comments

Rhodochrosite with Tetrahedrite

Rhodochrosite (manganese carbonate) with Tetrahedrite (a sulfide of copper, iron and antimony). Sweet Home Mine. Alma, Park Co., Colorado. (Collection of the Colorado School of Mines Geology Museum. Golden, Colo.)

Uploaded on Jan 31, 2012

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Apophyllite

Apophyllite. The mineral is a hydrated potassium calcium silicate. Mumbai District. Maharashtra, India. (Collection of the Colorado School of Mines Geology Museum. Golden, Colo.)

Uploaded on Jan 31, 2012

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