Polished Desert Sunset slab DS175 Marramamba SD154 Stromatolitic Dolomite rough rock

SD154 Stromatolitic Dolomite rough rock

Vivianite is a rare iron phosphate and these nodules are found on the beach

Dimensions at widest points approximately 115 mm x 100  mm x 18 mm thick

Dimensions at widest points approximately 150 mm x 100 mm x 30 mm thick

BA117  Polished Brazilian Agate slab

Polished Desert Sunset slab DS175 Marramamba SD154 Stromatolitic Dolomite rough rockDS174 Desert Sunset slab, polished on one side . Dimensions at widest points approximately 135 mm x 120 mm x 10 mm thick. Weighs 303 grams. Desert Sunset is a banded iron formation that is comprised of alternating layers of red and yellow jasper and chert with narrow bands of black hematite. It comes from near Fields Find, a small abandoned gold mining centre in the Midwest region of Western Australia.