Prase rough PRR128 Polished dendritic opal Minimal damage

Minimal damage

Weighs 176 grams

Tiger iron is a banded iron formation (BIF) or jaspilite that has alternating layers of black and brown hematite/magnetite

Dimensions at widest points approximately 75 mm x 55 mm x 24 mm thick

12 pieces rough Dendritic Opal

Prase rough PRR128 Polished dendritic opal Minimal damagePRR 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.