Polished Orbicular Granite. OG192 Polished Rhodonite The interesting cylindrical cavity is

The interesting cylindrical cavity is all that remains of a fossil belemnite which was a squid-like creature with a tapering torpedo or bullet shaped body

Approximate dimensions at widest points 120 mm long  x 100 mm  x 30 mm thick

Dimensions at widest points approximately 160 mm x 65 mm x 30 mm thick

Dimensions at widest points approximately 175 mm x 90 mm x 40 mm thick

Polished Orbicular Granite. OG192 Polished Rhodonite The interesting cylindrical cavity isOG192 Polished orbicular granite with natural rough back. Dimensions at widest points approx. 100 mm x 65 mm x 18 mm thick. Weight is 243 grams. From Boogardie Station near Mount Magnet, Western Australia.