16hhdw.es.is ((Nailhead CALCITE, DOLOMITE, GALENA, minor CHALCOPYRITE)), $15 MINIMUM BID, Sweetwater Mine, Reynolds County, Missouri, 5 x 4 x 4 cm | |
Here is a pair of terminated and double terminated undamaged nailhead Calcite crystals on matrix. The matrix is covered with rhombs of Dolomite and cubo octahedral Galena crystals coated with Pyrite or Marcasite. There is a small nailhead Calcite which is terminated on one end and cleaved on the other end |