dbls STEPHANITE on PYRARGYRITE with CALCITE and PYRITE, 530 level, San Guillermo Vein, Cueva Santa Area, San Luis Shaft, Proano Mine, Fresnillo, Zacatecas, Mexico, 2.5 x 2 x 1.5 cm | |
Very fine thumbnail sized specimen of lustrous Silver Sulfides. Small Calcite scalenohedral crystals provide added aesthetics. |