JBJ350 Jelly Bean Jasper or Red Jasper Conglomerate in Hematite rich matrix.
A slab, polished on one side .
Dimensions at widest points approximately 120 mm x 105 mm x 12 mm thick.
Weighs: 345 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.