Prase rough PRR116 rock block Weighs: 645 grams

Weighs:  645 grams

120 mm x 90 mm x 50 mm thick at widest points

Dimensions at widest points approximately 130 mm x 85 mm x 65 mm thick

IRR 134    Fossil stromatolite rough rock

Dimensions at widest points approximately 105 mm x 65 mm x 35 mm thick

Prase rough PRR116 rock block Weighs: 645 gramsPRR 116. Dimensions at widest points approximately 170 mm x 95 mm x 70 mm thick. Weighs 1,381 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.