Grinder

Grinding mill, stone, used to grind pigment: Australasia, Australia, Victoria, Horsham, Australian Aboriginal, 19th or 20th century

Grinding slab

Grinding slab (mijarra, biquarra) used with a stone pounder to crush edible seeds, sandstone: Australasia, Australia, Western Australia, Pilbara, possibly Yindjibarndi, 19th century