Prase rough PRR128 petrified wood 5") Each piece approximately 3

5") Each piece approximately 3 - 4 cm at widest points

Dimensions at widest points approximately 150 mm x 80 mm x 12 mm thick

OG172   Polished orbicular granite with natural rough back

Weighs:  127 grams

IRR120  Fossil stromatolite slab polished on one side

Prase rough PRR128 petrified wood 5") Each piece approximately 3PRR 128. Dimensions at widest points approximately 110 mm x 110 mm x 90 mm thick. Weighs 1,205 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.