Prase rough PRR109 mookatite Cut and polished on one

Cut and polished on one side with natural rough exterior on rear

Highly translucent and grading into light green chrysoprase

Displaying purple lepidolite associated with white feldspar and quartz

Mostly plain petrified wood but one Teredo bore hole is visible

Prase rough PRR109 mookatite Cut and polished on onePRR 109. Dimensions at widest points approximately 100 mm x 95 mm x 70 mm thick. Weighs 1,031grams. 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.