Polished Tiger Eye TE422 chatoyance DO170 Dendritic Opal rough rock

DO170  Dendritic Opal rough rock

Dimensions at widest points approximately 175 mm  x 150 mm  x 70 mm thick

Dimensions at widest points approximately 130 mm  x 125 mm wide x 8 mm thick

Dimensions at widest points approximately 140 mm x 100 mm x 10

Dimensions at widest points approximately 110 mm x  75 mm x 40 mm thick

Polished Tiger Eye TE422 chatoyance DO170 Dendritic Opal rough rockTE422 Marra Mamba Tiger Eye rough rock, cut and polished on one side with a natural back. Dimensions at widest points approximately 130 mm x 90 mm x 40 mm thick. It weighs 1,071 grams. From the "Marra Mamba Iron Formation" near Mt. Brockman in the Pilbara region of Western Australia.