Polished fossil stromatolite slab from Bolivia. BST108 crystoprase 100 mm x 90 mm

100 mm x 90 mm x 30 mm thick

Dimensions at widest point approximately 110 mm x 100 mm x 9 mm

Weight is 395 grams

100 mm x 70 mm x 7

CH423  Chrysoprase  slab polished  on one side

Polished fossil stromatolite slab from Bolivia. BST108 crystoprase 100 mm x 90 mmBST108 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