Prase rough PRR123 crystoprase 80 mm x 80 mm

80 mm x 80 mm  x 15 mm

Crystalline cylindrical mass with spike on both ends

Dimensions at widest points approximately 290 mm x 165 mm x 10 mm thick

Weighs 147 grams

Conglomerate is a sedimentary rock consisting of individual pebbles (clasts) within a finer-grained matrix that have become cemented together

Prase rough PRR123 crystoprase 80 mm x 80 mmPRR 123. Dimensions at widest points approximately 160 mm x 95 mm x 80 mm thick. Weighs 1,602 grams. Prase is a chrome rich chert. Also called Dragon Stone. The green colour usually derives from minor mineral content, most commonly the green chromiferous muscovite mica, fuchsite. There are numerous Prase deposits in the Pilbara region of Western Australia.