Polished fossil stromatolite slab from Bolivia. BST107 stand-up pale blue cleavelandite and quartz

pale blue cleavelandite and quartz

Dimensions at widest points approximately 150 mm x 90 mm x 55 mm thick

Weighs 520 grams

DO208  Wanong Dendritic Opal slab polished on one side

Dimensions 110 mm x 65 mm x 10

Polished fossil stromatolite slab from Bolivia. BST107 stand-up pale blue cleavelandite and quartzBST107 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 10 mm Weighs 1,323 grams