Umajiyama Uchigumori Suita, with attractive karasu shading and subtle renge inclusions.

A classic and highly desirable Japanese natural whetstone from the Umajiyama mine, identified as Uchigumori Suita. The stone displays a clear suita structure with natural pores and attractive renge inclusions, a feature appreciated by collectors as well as experienced users.

Uchigumori stones from Umajiyama are known for their fine yet efficient cutting action, making them especially suitable for sharpening and finishing Japanese kitchen knives, straight razors, and traditional tools. This stone offers consistent, controlled feedback and produces a clean, matte to silky edge with excellent bite.

The stone comes with its original labeled box, reinforcing authenticity and adding collector value. Its a fine example of traditional Kyoto stone mining, equally suited as a working stone or a collectible piece.

Specifications:

• Size: 215 x 77 x 60 mm
  
  
• Weight: 2330 g

• Origin: Umajiyama, Japan

• Type: Uchigumori

• Structure: Suita

• Pattern: Karasu & Renge

• Use: Pre-finish to finish for knives and tools