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Rhnite. Rhnite Largest Crystal Size mm Locality Nickenicher Sattel Eicher Sattel Nickenich Andernach Eifel RhinelandPalatinate Germany There are lots of other crystals on the specimen some of which can be seen in the upper left corner but they are either not as well formed or not as well exposed Rhnit Lnge des grten Kristalls mm