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Peter Joseph DePaolis' Photo Gallery

T0U-DUCLegrandite, Adamite, Limonite

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

Dimensions: 55 mm x 53 mm x 34 mm

Size: 55x53x34mm

Weight: 161.3

Photo ID: 502575     Uploaded by: Peter Joseph DePaolis   View Count: 205   Approval status: Public galleries    Type: Photo - 3264 x 2448 pixels (8.0 Mpix)

929-YL3Hematite, Chalcopyrite, Fluorapophyllite-(K)

Multiple photos available
Fairfax quarry, Centreville, Culpeper Basin, Fairfax Co., Virginia, USA

Self-collected in 2009, this small hand specimen (2.5"x1.75") was personally inspected by the Director of Mineral Sciences at the Smithsonian's Museum of Natural History, Jeffrey Post, in Sept. 2012. I originally misidentified it as molybdenite but it is indeed specular hematite with chalcopyrite and apophyllite.

This locale continues to intrigue me; the Jurassic upwelling of diabase into earlier triassic rock and the subsequent low grade metamorphism created a wide variety of minerals. I hope to continue work with the passionate pit manager (his collection from this quarry is excellent and uncatalogued!) and Dr. Post into the near future, in order to gain a better understading.
Photo ID: 498673     Uploaded by: Peter Joseph DePaolis   View Count: 334   Approval status: Public galleries    Type: Photo - 3264 x 2448 pixels (8.0 Mpix)
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