Polished fossil stromatolite from Bolivia. BST106 oldest agate in the world We only ever found a

We only ever found a few pieces like this out of many hundreds of tons

PU126  Purple Chalcedony slab

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

7 mm thick and weighs 145 grams

cut and polished  on one side

Polished fossil stromatolite from Bolivia. BST106 oldest agate in the world We only ever found aBST106 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