Polished fossil stromatolite from Bolivia. BST106 oldest agate in the world Dimensions at widest points approximately

Dimensions at widest points approximately 190 mm x 55 mm x 14 mm thick

PC125  Chalcedony rough rock

Dimensions at widest point approximately 120 mm x 60 mm x 35 mm

155 mm x 70 mm x 30 mm thick

PU126  Purple Chalcedony slab

Polished fossil stromatolite from Bolivia. BST106 oldest agate in the world Dimensions at widest points approximatelyBST106 Fossil stromatolite slab, polished on one side. This museum quality specimen has been cut at right angles to the bedding and displays the columnar structure beautifully ! From the Miraflores Formation, El Molino, Potos, Bolivia, South America. Age approx. 70 million years (Cretaceous) Dimensions at widest points approximately 320 mm x 295 mm x 10 mm Weighs 1,347 grams