Prase rough PRR114 polished noreena Bauxite is the main raw

Bauxite is the main raw material used in the commercial production of aluminium

130 mm x 110 mm x 150 mm thick

Dimensions at widest points approximately 220 mm x175 mm x 50 mm thick

It often contain layers and nodules of red chert

Weighs 354 grams

Prase rough PRR114 polished noreena Bauxite is the main rawPRR 114. Dimensions at widest points approximately 130 mm x 95 mm x 70 mm thick. Weighs 1,492 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.