Hone stone

one of several kinds of stone used for hones. See Novaculite.

See also: Hone

References in periodicals archive ?
Wandering through Tin Can Gully, the old hone stone quarry behind the car park,and across the moor to the lake, the effect of sheep grazing becomes obvious.
Yields were improved significantly because of the improved honing performance, and also because precision diamond roll dressing of the CBN wheels resulted in more consistent radii for the hone stone to work against.
The reason for these changes were to decrease the amount of time to hone the sleeves and reduce hone stone usage.