Prase rough PRR120 polished noreena cut and polished on one

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

Crystalline cylindrical mass with spike on both ends

CH430  Chrysoprase  slab polished  on one side

Quartz is white

Dimensions approximately 120 mm x 30 mm x 10 mm thick

Prase rough PRR120 polished noreena cut and polished on onePRR 120. Dimensions at widest points approximately 120 mm x 85 mm x 40 mm thick. Weighs 606 grams. Prase is a chrome rich chert. 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.