Stromeyerite, silver

Vein of gray-black, resinously lustrous stromeyerite, which has a 3 cm long cavity open on the right side. In the cavity are isometric crystals of lustrous stromeyerite distributed among crystals of quartz. The stromeyerite is overgrown with bright white thickly bundled wires of native silver. Representative sample of Ag paragenesis from the Vrancice deposit.