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- Ramsbeck, Sauerland, North Rhine-Westphalia, Germany
- Miniature 4x3x2.5cm
- sulfide , nickel
An excellent specimen for three relatively uncommon nickel minerals. Ullmannite is a primary nickel-antimony-sulfide. Associated are two alterations of the Ullmannite: Bottinoite (aqua translucent platy crystals to about 1mm) and Annabergite (green spheroidal crystals).