indian indian grinding rocks for sale. indian indian grinding rocks for sale. 3 34 x 2 14 a stone hand maul or large stemmed scraper preeuropean contact native american 7500 12024n 2 x 1 12 a ground sandstone plummet multiple grooves the top of the reverse side is ground probably to assist in attachment preeuropean.,indian grinding stone ebay,zuni indian stone artifact grinding base for milling solids to powder form. pre-owned. c $56.46. or best offer. c $26.27 shipping estimate. from united states.