Polished fossil stromatolite slab from Bolivia. BST108 crystoprase Dimensions at widest points approximately

Dimensions at widest points approximately 130 mm x 35 mm x 10 mm  thick

CH423  Chrysoprase  slab polished  on one side

100 mm x 90 mm x 30 mm thick

100 mm x 70 mm x 7

Weight is 395 grams

Polished fossil stromatolite slab from Bolivia. BST108 crystoprase Dimensions at widest points approximatelyBST108 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 290 mm x 270 mm x 10 mm Weighs 1,283 grams