A rich specimen of the rare Silver Mercury Alloy Moschellandsbergite, from Landberg, Germany. The Moschellandsbergite forms rounded assemblages atop the specimen on and in a series of interconnected cavities. A grey sub-metallic to metallic colour is seen to the Moschellandsbergite, which measure to 0.7cm. Covering an earlier generation of maroon red Cinnarbar on a brown siderite. Several elongated cavities in the specimen also display micro-crystals of Cinnarbar and Moschellandsbergite. A rich specimen of a rare mineral.