“8.8 x 5.2 x 1.8 cm. Beautiful sky-blue bubbly botryoids of glaucocerinite cover the sculptural layered sandstone matrix plate. This impressive large and rich plate is from the Type Locality area of the famous Lavrion District mines. Glaucocerinite is a rare complex hydrated sulfate and this is classic and excellent material from the Charlie Key Collection. ”

“8.8 x 5.2 x 1.8 cm. Beautiful sky-blue bubbly botryoids of glaucocerinite cover the sculptural layered sandstone matrix plate. This impressive large and rich plate is from the Type Locality area of the famous Lavrion District mines. Glaucocerinite is a rare complex hydrated sulfate and this is classic and excellent material from the Charlie Key Collection. ”