Polished Jelly Bean Jasper JBJ339 dolomite Amazing zoning in this piece

Amazing zoning in this piece

Dimensions at widest points approximately 130 mm  x 120 mm wide x 11 mm thick

145 mm x 115 mm x 6

VV108  Vivianite nodule cut in half with face polished

Polished Jelly Bean Jasper JBJ339 dolomite Amazing zoning in this pieceJBJ339 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 130 mm x 80 mm x 40 mm thick. Weighs: 699 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.