Purple Chalcedony PU144 annular rings Dimensions at widest points approximately

Dimensions at widest points approximately 175 mm x 130 mm x  9 mm thick

MN134  Magneprase rough rock

Dimensions at widest points approximately 105 mm x 50 mm x 20 mm thick

OG187   A matching pair of polished Orbicular Granite halves with natural rough backs

All reasonably uniform in size (roughly 15 - 20 mm diameter}

Purple Chalcedony PU144 annular rings Dimensions at widest points approximatelyPU144 Purple Chalcedony rough rock, cut and polished on one side with a natural rough back. Dimensions at widest points approx. 135 mm x 90 mm x 85 mm thick. Weighs 989 grams. From the Eastern Goldfields region of Western Australia.