Polished fossil stromatolite slab. Asperia ashburtonia. ASP157 polished noreena Dimensions approximately 70 mm x

Dimensions approximately 70 mm x 60 mm x 30 mm deep

LCT113    Tumble polished Lemon Chrysoprase

Dimensions approximately 180 mm x 110 mm x 110 mm thick

170 mm x 100 mm x 40 mm thick

Dimensions at widest points approximately 120 mm  x 40 mm wide x 6 mm thick

Polished fossil stromatolite slab. Asperia ashburtonia. ASP157 polished noreena Dimensions approximately 70 mm xASP157. Fossil stromatolite slab, polished on one side. Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite". Age is approx. 2 billion years. From near Paraburdoo in Western Australia. Dimensions at widest points approx. 140 mm x 130 mm x 11 mm thick. It weighs 341 grams.