Polished fossil Oncolite . ONC118 rare agate Dimensions at widest points approximately

Dimensions at widest points approximately 95 mm x 90 mm x 50 mm thick

EU108  Eucryptite rough rock

TI269   Tiger Iron rough rock

3 mm thick

Polished fossil Oncolite . ONC118 rare agate Dimensions at widest points approximatelyONC118. Fossil Oncolite rough rock, cut and polished on one side with a natural, weathered back. Sits well as a display specimen ! From the Miocene "Trealla Limestone" north of Carnarvon, Western Australia . Age is approx. 15 million years. Dimensions at widest points approx. 195 mm x 95 mm x 50 mm thick. Weighs 1,482 grams. Oncolite is a limestone composed largely of oncoidsrounded, coated grains that grow as thin layers of lime mud accumulate around