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. 160 mm x 130 mm x 12 mm thick.
Weighs 518 grams.
Tumble Polished mixed Australian gemstones MXT101
$35.00... Plus 10% GST in Australia
Starry Jasper SJ106
$95.00... Plus 10% GST in Australia
Polished Pilbara Agate PA230
Polished Lilac Mookaite MK281
$50.00... Plus 10% GST in Australia