Phenakite
Mount Wheeler Mine, Mount Washington, Mount Washington Mining District, Snake Range, White Pine County, Nevada, USA
6.6 x 5.0 x 3.4 cm. Phenakite is uncommon beryllium silicate found in granite pegmatites and schists and is well-known from this former Nevada Be-F-W mine. Lustrous, translucent, sharp, prismatic, trigonal crystals (some oxide tinted) to about 6 mm richly cover the front, with more on the sides and back of the vuggy quartz matrix. Excellent and ...
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