Polished Marillana Conglomerate slab MC121 oldest agate in the world Dimensions at widest points approximately

Dimensions at widest points approximately 140 mm x 120 mm x 80 mm thick

CC150  Chrome chalcedony rough rock

Dimensions at widest points approximately 160 mm x 150 mm x 16 mm thick

DOT109  Tumble polished Wanong Dendritic Opal

Dimensions at widest points approximately 115 mm x 75 mm x 40 mm thick

Polished Marillana Conglomerate slab MC121 oldest agate in the world Dimensions at widest points approximatelyMC121 Marillana Conglomerate slab, cut and polished on one side . Dimensions at widest points approx. 190 mm x 110 mm x 10 mm thick. Weight is 381 grams. . From Marillana station in the Pilbara region of Western Australia. Conglomerate is a sedimentary rock consisting of individual pebbles (clasts) within a finer grained matrix that have become cemented together. Conglomerates are a very common rock type that occur in numerous locations world wide.