Purple Chalcedony polished slab. PU140 green stones Dimensions at widest points approximately

Dimensions at widest points approximately 170 mm x 110 mm x 65 mm thick

However this one is special due to it's extreme age as well as inclusions of pyrite scattered throughout

GRN86  Green Opal & Magnesite slab

cut and polished on one side with a natural weathered back and a cut base to stand as a display specimen

Dimensions at widest points approximately 130 mm  x 80 mm  x 40 mm thick

Purple Chalcedony polished slab. PU140 green stones Dimensions at widest points approximatelyPU140 Purple Chalcedony slab, polished on one side. Dimensions at widest points approx. 170 mm x 55 mm x 9. 5 mm thick. Weighs 185 grams. From the Eastern Goldfields region of Western Australia.