黒木碁石店

Legendary Hyuga Special Clamshell Go Stones, Snow grade, Size 33 *Repaired product

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¥2,500,000

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These Go stones are "Legendary Hyuga Special Clamshell Go Stones, Snow grade, Size 35" ,made of Hyuga clamshell. *Repaired product

*Regular price 4,680,000 Yen


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.

Size 35 clamshell Go stone should assure the thickness of 9.8 mm, so its material clamshells must be thicker than about 11.3 mm. It is hard to collect big and thick Hyuga clamshells because they grow very slow in natural environment. Such thick clamshells are truly rare.
We would like to recommend this masterpiece for those want to purchase the best of the best.

  • It is practically impossible to make new products with Hyuga clamshell because they are almost depleted these days.
  • The shell is more dense and smooth, and harder than Mexican ones.
  • Hyuga clamshells boasts dense and beautiful strips, that shows growth line of the shell.
  • Only one piece of Go stone can be cut out from one clamshell.
  • Only 5-10% 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 35), we need to use at least few tens of thousands naturally-grown Hyuga Clamshells.

For these reasons, it is infeasible to make new products because raw material are no longer available.
  • Product : Legendary Hyuga Special Clamshell Go Stones, Snow grade, Size 35 *Repaired product
    180 Clamshell white stones, 181 Nachiguro black stones, Special paulownia box, Nonwoven fabric bag, Spare stones (2 for each), Quality Certificate of Go Stones
  • thick : Size35 (9.8 mm)
  • Please bear the actual cost for shipping charges outside Japan.

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