Hematite

Unknown Owner

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An old-time and huge specimen of lustrous, bubbly, banded, rust-brown to gray-black, hematite "kindey ore" with an accenting dusting of light brown goethite from a classic and famous Wisconsin iron mine - the Montreal Mine in Iron County. These look carved but actually the patterns are quite natural, and formed from lathe-like crystals as they shear away from each other naturally in the mine. The good ones, like this, have a rounded, natural botryoidal top on them, too. Weighs 4.9 pounds or 2.2 kilograms.