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CT348 - Siegenite $ 275 Buick Mine, Reynolds Co., Missouri, USA thumbnail - 3 x 2.5 x 1 cm Crystals of Siegenite on a sulfide rich matrix that is crystallized on both sides. Siegenite is a cobalt nickel sulfide that is one of the rarer and most sought after minerals from Missouri's Viburnum Trend. ©2010-2018 Marin Mineral |