this is a modern stone

Turkish Oil Stone (Pierre Du Levant) is very rare sharpening stone used for super finish sharpening knives on KME or Hapstone knife sharpeners

Flatness tolerance: <0

Never dry Rika stones near heat

Although Washita is the most well-known among vintage natural stones

chinese bluestone for edge pro this is a modern stoneChinese Bluestones are used for finish sharpening knives using Hapstone or Edge Pro knife sharpener. Estimated grit for Bluestone is approximately 5000 JIS. Bluestones are available in 6 mm thickness, and are mounted on high quality aluminum blanks. Chinese Bluestones stones are universal, and can be used to sharpen knives of any steel. May have slight natural imperfections; this is not a defect. How to use Chinese Bluestone is preliminary lapped and