Sunset Jasper polished SU191

SU191  Sunset Jasper rough rock, cut and polished on one side with a natural rough back.

Dimensions at widest point approximately 120 mm x 100 mm x 45 mm.

Weighs 860 grams.

From the Marramamba Iron Formation in the Hamersley Ranges, Western Australia.

More correctly an iron-rich, banded chert.