Prase rough PRR119 polished magneprase naturally weathered back and a

naturally weathered back and a cut base to stand on

Dimensions at widest points approximately 100 mm  x 45 mm wide x 8 mm thick

Dimensions approximately 140 mm x 120 mm x 8 mm thick

Dimensions at widest points approximately 110 mm x 85 mm x 9 mm thick

4 billion years

Prase rough PRR119 polished magneprase naturally weathered back and aPRR 119. Dimensions at widest points approximately 160 mm x 130 mm x 60 mm thick. Weighs 1,739 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.