Search for: [Characteristics of the object = "slurry evenly distributed, no traces of banding, only under the thin cortex \(1 mm\) of the ore band and after it another gray \(10 YR 6 \/ 1\-5 \/ 1\) with a width of 2 mm \- dissolving in the mass of flint\; this mass may resemble very \"clean\" parts of a variety 'a' acc. Schild 1971\; this flint appears to occur in a nodules with a diameter of up to several cm"]