A very rare specimen of Warikahnite a Hydrated Zinc Arsenate, from the Plaka Mine No80, Lavrion, Greece. Micro-crystals of white Warikahnite are clustered in lots of areas on the top surface of the specimen, on colourless to pinkish crystallized Dolomite, with lead-grey metallic Galena, and Calcite. The matrix is Sphalerite and Dolomite, other associated species are Gypsum, Siderite, and Fe-oxides.