My humble whetstone information archive

 
     
Natural Japanese whetstone naming terminology
 
  Imagery archive
Sharpening Process - Scratch patterns showing evolution of the edge on a blade from 1000 grit whet stone to 0.5 micron (30,000 grit) abrasive film
SP1 - scratch patterns on a blade from different synthetic and natural stones (Linear motions)
SP2 - scratch patterns on a blade from different synthetic and natural stones (Circular motions)
Burr - Huge burr resulting from trailing and leading edge strokes on 1000 grit stone. The burr was made excessively large on purpose to clearly show what it looks like.
Cosera stones on Edge Pro - Sharpening process using edge pro with chosera stone set 400 - 10,000 grit plus a glass blank with 0.3 micron paper.
Chosera stones freehand - Sharpening process using chosera Edge pro sized stones, but using them freehand.
Stone Types - A write up on different types of sharpening stones.
 
  Stone pictures
Iyoto - Rough Iyoto stone