Polished fossil stromatolite slab. Domal from Irregully formation IRR123 beryl Dimensions approximately 180 mm x

Dimensions approximately 180 mm x 65 mm x 6 mm thick

Asperia ashburtonia from the Proterozoic "Duck Creek Dolomite"

Weighs 268 grams

This museum quality specimen has been cut at right angles to the bedding and displays the columnar structure beautifully

CC121  Chrome chalcedony slab

Polished fossil stromatolite slab. Domal from Irregully formation IRR123 beryl Dimensions approximately 180 mm xIRR 123 Fossil stromatolite slab, polished on one side. Huge museum quality display piece ! A domal stromatolite from the Proterozoic "Irregully Formation", age approx. 1. 1 billion years. Not formally identified but possibly Paniscollenia. Dimensions at widest points approximately 600 mm x 390 mm x 20 mm thick. It weighs 10. 5 kg.