Ground Stone Artifacts | The Office of the State ArchaeologistGround stone tools are usually made of basalt, rhyolite, granite, or other . method of repeated pecking and grinding with a harder stone, followed by polishing . For example, line was used for making pipes, hematite for celts, sandstone for arrow . A Brief Cultural History of Iowa · American Indian Archery Technology.indian grinding stone sandstone,Antique Native American Indian Game / Grinding Stone . - PinterestAntique Native American Indian Game / Grinding Stone & Axe Tool Artifact Relic .. Native American Indian Artifact, Sandstone Frog Effigy : Native American.
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