Heavy specimen of nearly pure reniform hematite with cavity along one edge lined with translucent quartz crystals colored reddish by hematite. Smaller cavities on both sides of the specimen have a few well formed hematite crystals. The radiating structure of the "kidney ore" hemeatite is well shown. From Sorge in the Harz Mountains of Germany. With old label. Measures 3.25 x 2.75 x 1.25 inches ( 8.2 x 7 x 3.1 cm). The old label was too disentegrated to preserve.