Prase rough PRR131 stripey DO153 Dendritic Opal rough rock

DO153 Dendritic Opal rough rock

140 mm x 100 mm x 5 mm thick

Dimensions at widest points approximately 150 mm  x 90 mm wide x 9 mm thick

Dimensions at widest points approximately 135 mm x 55 mm x 45 mm thick

MK528   Mookaite cut and polished on one side with a rough natural back

Prase rough PRR131 stripey DO153 Dendritic Opal rough rockPRR 131. Dimensions at widest points approximately 140 mm x 130 mm x 100 mm thick. Weighs 2,927 grams. Prase is a chrome rich chert. Also called Dragon Stone. 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.