20hhgd.is ((SPHALERITE, MARCASITE, QUARTZ)), $35 MINIMUM BID, G.P. Materials South Quarry, Potosi, Potosi Barite Mining District, Washington Co., Missouri, 9 x 6 x 3 cm, Cabinet | |
Aesthetic undamaged, except for the most micro on tips of some Marcasite knobs, specimen with spherical clusters of Sphalerite crystals and iridescent Marcasite. ex Glenn Davidson collection. |