Prase rough PRR107 chalcedony Dimensions at widest points approximately

Dimensions at widest points approximately 95 mm x 45 mm x 35 mm thick

From Wyloo Station in the Pilbara region of Western Australia

Dimensions at widest points approximately 140 mm x 130 mm x 80 mm thick

210 mm x 160 mm x 12 mm thick

Weighs 868 grams

Prase rough PRR107 chalcedony Dimensions at widest points approximatelyPRR 107. Dimensions at widest points approximately 210 mm x 150 mm x 80 mm thick. Weighs 3,235 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.