Description
BA105 Polished Brazilian Agate slab
Dimensions at widest points approximately 200 mm
Dimensions at widest points approximately 200 mm x 110 mm x 50 mm thick
Coarse and fine gold is seemingly related to higher concentrations of pyrite within a 200 metre sequence of poorly-stratified
120 mm x 70 mm x 7 mm thick
Polished Vivianite nodule half VV111 stripey jasper BA105 Polished Brazilian Agate slabVV111 Vivianite nodule cut in half with face polished. Dimensions at widest points approx. 110 mm x 60 mm x 35 mm. Weight : 274 grams. From Demons Bluff, Anglesea, Victoria. Vivianite is a rare iron phosphate and these nodules are found on the beach, washed up from their source on the ocean floor.