Stromeyerite, silver

Vein of grey-black, resinously lustrous stromeyerite, which has an open cavity 3 cm long on the right side. In the cavity, there are isometric crystals of lustrous stromeyerite scattered among crystals of quartz. Stromeyerite is covered with bright white thickly bundled wires of native silver. Representative sample of Ag paragenesis from the Vrančice deposit .