A very rich specimen of well formed Pyrargyrite crystals from one of Germany's most famous silver mines, namely the Samson Mine, St. Andreasberg, Lower Saxony. Lustrous metallic steel grey crystals of Pyrargyrite are abundantly inter grown on the display face of the specimen, crystals measuring to 5mm. The Pyrargyrite crystals have formed on a white to tan Calcite matrix, with veins of Pyrargyrite.