Thumbnail, 7.0 x 6.0 x 6.0 cm
Mercur Mine, Mercur District (Camp Floyd District), Oquirrh Mts, Tooele Co., Utah, USA
A remarkable, institution-worthy specimen featuring a huge lorandite crystal shaped like a pyramid, perched on matrix with realgar and calcite. Bright silvery microcrystals of raguinite are abundant. The crystal is complete although showing some contact planes where the covering layer of realgar was removed. Crystal size I s a whopping 2.5 cm!! 7 x 6 x 6 cm