These creamy white howlite nugget beads are sold by the strand.  They range in size from 5-7mm in width and 10-12mm in height. These wonderful beads come on an 16 inch strand.  

Nicely matrixed.  Sold by the strand.

Limited availability.  There is quite a variation of size and shape of beads on each strand.  The beads are center drilled with an approximately 1mm hole.