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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
It weighs 476 grams
B229 Black Jasper Conglomerate slab
Dimensions at widest points approximately 120 mm x 80 mm x 10 mm thick
NJ433 A rough rock
Dimensions at widest points approximately 220 mm x 85 mm x 10 mm thick
Polished fossil Oncolite slab. ONC114 dendrites It weighs 476 gramsONC114. Fossil Oncolite polished slab. From the Miocene "Trealla Limestone" north of Carnarvon, Western Australia . Age is approx. 15 million years. Dimensions at widest points approx. 150 mm x 100 mm x 7. 5 mm thick. Weighs 241 grams. Oncolite is a limestone composed largely of oncoidsrounded, coated grains that grow as thin layers of lime mud accumulate around a tiny nucleus (such as a sand grain or shell fragment) under microbial influence. Formed
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