Abrader Item Number: Aa137 from the MOA: University of British Columbia
Piece of natural beige and pink coloured limestone; irregular shape, many indentations.
Ostrich eggshell bead necklaces are rubbed with a piece of limestone to a glassy finish.
Polishing bead necklaces.
Before polishing with limestone, necklaces are rubbed with a mixture of red ochre and gemsbok fat. Examples of these necklaces have been found in the tombs of the pharaohs.