Salmon-colored ELPIDITE in alkali granite with massive Golden Horn Batholith, Washington Pass, Okanogan County, Washington, USA The final photo shows zektzerite's blue fluorescence under shortwave ultraviolet light. Specimen is 7.4 x 6.0 x 3.3 cm (2.9 x 2.4 x 1.3 in) Photo Copyright © 2012 Jeffrey M. Schwartz
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