Polished Marillana Conglomerate MC117 stromatolite GRN110 Green Opal rough rock

GRN110  Green Opal rough rock

Weighs 926 grams

Small quartz crystals visible in cavity

Dimensions at widest points approximately 100 mm x 90 mm x 50 mm thick

Weight 636 grams

Polished Marillana Conglomerate MC117 stromatolite GRN110 Green Opal rough rockMC117 Marillana Conglomerate rough rock, cut and polished on one side with a natural back. Dimensions at widest points approx. 130 mm x 110 mm x 30 mm thick. Weight is 605 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