Polished Jelly Bean Jasper JBJ345 Marramamba Dimensions approximately 170 mm x

Dimensions approximately 170 mm x 110 mm x 11

Dimensions at widest point approximately 195 mm x 140 mm x 11 mm

Weighs 586 grams

A mix of magnesite and chrysoprase

CC144  Chrome chalcedony rough rock

Polished Jelly Bean Jasper JBJ345 Marramamba Dimensions approximately 170 mm xJBJ345 Jelly Bean Jasper or Red Jasper Conglomerate in Hematite rich matrix. A rough rock, cut and polished on one side with a natural back. Dimensions at widest points approximately 200 mm x 110 mm x 50 mm thick. Weighs: 1,939 grams It occurs in a geological unit called the "Mt. McGrath Formation" which has an age of close to 2 billion years. Nearest town is Paraburdoo in the Pilbara region of Western Australia.