Description
It weighs 358 grams
GREEN76 Green Opal & Magnesite rough rock
banded chert
Dimensions at widest points approximately 110 mm x 75 mm x 40 mm thick
polished on one side
Prase rough PRR108 fossil stromatolite It weighs 358 gramsPRR 108. Dimensions at widest points approximately 70 mm x 90 mm x 70 mm thick. Weighs 626 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.