Arkansas stone

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Ar·kan·sas stone

A stone used for sharpening and grinding metals, especially the metal blades of knives.
References in periodicals archive ?
Natural abrasive stones are derived from natural sources such as the Arkansas stone and India stone.
During her early years of nursing the nurse had to sharpen needles on an Arkansas stone.
After using the India stones which are basically for steel removal, I use a fine Arkansas stone or sometimes a ceramic stone to polish the new sear surface.
Then I moved to the finer side of the stone, and finally to a hard Arkansas stone.
Quarried natural stones include the Arkansas stone, as well as the original Japanese and Greek water stones.
The system ($30) comes with three stones: a coarse synthetic stone for restoring an edge, a medium triangle blade for serrated knives, and a fine Arkansas stone for finishing and fine sharpening.
For finer polishing and greater sharpness, a hard Arkansas stone the color and texture of fine white marble can be used.
The Arkansas stone removes very little material, but brings the surface to a precise, smooth finish.
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