Prase rough PRR111 polished Noreena Jasper Bauxite (laterite) rough rock

Bauxite (laterite)  rough rock

This specimen is from east of the Darling Ranges just outside the city of Perth

500 mm x 140 mm x 130 mm thick

Dimensions at widest points approximately 85 mm x 65 mm x 20 mm thick

Weighs 674 grams

Prase rough PRR111 polished Noreena Jasper Bauxite (laterite) rough rockPRR 111. Dimensions at widest points approximately 125 mm x 120 mm x 80 mm thick. Weighs 1,615 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.