20hhgd.is ((SPHALERITE, MARCASITE)), $35 MINIMUM BID, G.P. Materials South Quarry, Potosi, Potosi Barite Mining District, Washington Co., Missouri, 9 x 6 x 3 cm, Cabinet | |
Beautiful combination of iridescent Marcasite and Sphalerite from Missouri. Undamaged except on small two minor Marcasite knobs seen in the first photo top center right. ex Glenn Davidson collection. |