Description: Centennial Eureka Mine (Blue Rock), Tintic District, East Tintic Mts, Juab Co., Utah, USA Leisingite on quartz FOV = .375mm Nikon D300 on PB6 bellows with 10X Nikon finite conjugate objective. 57 frames at .005mm steps, stacked with Zerene Stacker, and cropped from full image. One of 16 Centennial Eureka specimens collected and donated by John Dagenais for the 2010 Pacific Northwest Friends of Mineralogy Symposium live auction.

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