This Go stones are "Legendary Hyuga Special Clamshell Go Stones, Snow grade, Size33" ,made of Hyuga clamshell.
Hyuga clamshell Go stone is famous for its unique and delicate stripes and luster. The pure white color is a must-have gem for Go lovers.
"Whiteness" is the criteria for sorting Snow grade Hyuga clamshell stones. Small colorations sometimes remain on the surface as it is made from natural clam. All the clamshell stones are carefully sorted and only 10-20% of the products are classified as snow grade.
*Among Snow grade stones, some products are slightly colored.
Size 33 clamshell Go stone should assure the thickness of 9.2mm, so its material clam must be thicker than 10.5mm. It is hard to collect big and thick Hyuga clams because they grow very slow in natural environment. Such thick clamshells are truly rare.
■ Why "Size 33, Snow Grade Hyuga Clamshell Go Stone " is so rare?
- It is practically impossible to make new products with Hyuga clams because they are almost depleted these days.
- The shell is more dense and smooth, and harder than Mexican ones.
- Hyuga clam boasts dense and beautiful strips, that shows growth line of the shell.
- 日Only one piece of Go stone can be cut out from one clamshell.
- Only 10-20% of the Go stones are classified as Snow grade because they are sorted according to the beauty of stripes and color, and the presence of scratch.
- All 182 Go stones need to assure the same thickness and quality.
*In odder to make one set of Go stones (182 stones for Snow grade, Size 33), we need to use at least 40,000 to 50,000 naturally-grown Hyuga Clamshells.
For these reasons, it is infeasible to make new products because raw material are no longer available.
We have a certificate for the product dated on March 20, 2012, although we are not sure when this Hyuga Go stone was made.
We would like to recommend this masterpiece for those want to purchase the best of the best.
180 Clamshell white stones 181 Nachiguro black stones, Special paulownia box, Nonwoven fabric bag, Spare stones (2 for each) Quality Certificate of Go Stones
- Actual shipping cost shall be coved by the customer.