Prase rough PRR114 polished noreena From the same outcrop as

From the same outcrop as Pseudogymnosolenid type which occur as a substrate beneath these ones

Dimensions at widest points approximately 220 mm x175 mm x 50 mm thick

Dimensions approximately 140 mm x 130 mm x 100 mm thick

It often contain layers and nodules of red chert

POP162   Pink Opal slab

Prase rough PRR114 polished noreena From the same outcrop asPRR 114. Dimensions at widest points approximately 130 mm x 95 mm x 70 mm thick. Weighs 1,492 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.