6565 Umajiyama Type 80 Brown Good 68×186×22mm

Size: 68 x 186 x 22 mm

Weight: 619g

Mining location: Kyoto Prefecture

*The 8th photo is after pouring water.

The 9th photo shows the amount of water coming out after 20 rubs.

The 10th photo was polished without removing the mud beforehand.