Polished Vivianite nodule half VV113 Green Opal Dimensions at widest points approximately

Dimensions at widest points approximately 120 mm x 75 mm x 10 mm thick

Dimensions at widest points approximately 110 mm x 75 mm x 50 mm thick

Dimensions at widest points approximately 135 mm x 70 mm x 30 mm thick

WAT107 Tumble polished Wyloo Agate

Dimensions at widest points approximately 200 mm x 70 mm x 45 mm thick

Polished Vivianite nodule half VV113 Green Opal Dimensions at widest points approximatelyVV113 Vivianite nodule cut in half with face polished. Dimensions at widest points approx. 90 mm x 80 mm x 20 mm. Weight : 219 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.