Polished fossil stromatolite from Bolivia. BST106 oldest agate in the world PU126 Purple Chalcedony slab

PU126  Purple Chalcedony slab

PC125  Chalcedony rough rock

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

cut and polished  on one side

Weighs: 515 grams

Polished fossil stromatolite from Bolivia. BST106 oldest agate in the world PU126 Purple Chalcedony slabBST106 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