Polished fossil stromatolite from Bolivia. BST105 striped Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 100 mm  x 10 mm thick

120 mm x 110 mm  x 9

170 mm x 70 mm x 60 mm thick & weighs 763 grams

235 mm x 200 mm x 100 mm

PU131  Purple Chalcedony slab

Polished fossil stromatolite from Bolivia. BST105 striped Dimensions at widest points approximatelyBST105 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 345 mm x 180 mm x 8 mm Weighs 1,065 grams