Prase rough PRR114 polished slab OG172 Polished orbicular granite with

OG172   Polished orbicular granite with natural rough back

A large polished slab of Starry Jasper

120 mm x 90 mm x 50 mm thick at widest points

PC104 Chalcedony slab

Dimensions at widest points approximately 110 mm x 75 mm x 75 mm thick

Prase rough PRR114 polished slab OG172 Polished orbicular granite withPRR 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.