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Clamshell Go Stones Premium grade

Clamshell Go Stones Premium grade

the stripe patterns of each grade
Please compare the stripe patterns of each grade.

Snow Grade (YU-KI)/Very close stripe patterns beautifully cover at least 80% of the overall surface, which is a very unique characteristic of the clamshell.

Blossom Grade (HA-NA)/The space between each stripe is much wider and the surface has at most seven to eight stripes.


There are a wide variety of thicknesses as shown below.
Please choose on your preference. 偶数比較

Today, most of the natural clamshells are depleted all over Japan and only a little can be found on the beach in Hyuga. Because of this, most Go stones are made of Mexican clamshell. Now, Hyuga City in Miyazaki Prefecture is Japan’s only one production site of clamshell Go stone and slate stone, knowing the traditional processing skill using natural materials.
All clamshell stone sets includes black stones, as well, which is made from Nachiguro slate stone.
If extra oil is attached to the black stone, please wipe off the oil with a soft cloth before use.
If extra oil is attached to the black stone, please wipe off the oil with a soft cloth before use.
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Product Name & GradeThicknessGradeProduct Description

Clamshell Go Stones, Size50

Clamshell Go Stones, Size50 14.3mm Clamshell Go Stones, Premium Snow grade, Size50 Clamshell Go Stones, Premium Snow grade, Size50 4,200,000JPY
Clamshell Go Stones, Premium Blossom grade, Size50 Clamshell Go Stones, Premium Blossom grade, Size50 Sold Out
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size48

Clamshell Go Stones, Size48 13.7mm Clamshell Go Stones, Premium Snow grade, Size48 Clamshell Go Stones, Premium Snow grade, Size48 2,500,000JPY
Clamshell Go Stones, Premium Blossom grade, Size48 Clamshell Go Stones, Premium Blossom grade, Size48 300,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size46

Clamshell Go Stones, Size46 13.1mm Clamshell Go Stones, Premium Snow grade, Size46 Clamshell Go Stones, Premium Snow grade, Size46 1,950,000JPY
Clamshell Go Stones, Premium Blossom grade, Size46 Clamshell Go Stones, Premium Blossom grade, Size46 250,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size44

Clamshell Go Stones, Size44 12.5mm Clamshell Go Stones, Premium Snow grade, Size44 Clamshell Go Stones, Premium Snow grade, Size44 1,350,000JPY
Clamshell Go Stones, Premium Blossom grade, Size44 Clamshell Go Stones, Premium Blossom grade, Size44 210,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size42

Clamshell Go Stones, Size42 11.9mm Clamshell Go Stones, Premium Snow grade, Size42 Clamshell Go Stones, Premium Snow grade, Size42 990,000JPY
Clamshell Go Stones, Premium Blossom grade, Size42 Clamshell Go Stones, Premium Blossom grade, Size42 170,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size40

Clamshell Go Stones, Size40 11.3mm Clamshell Go Stones, Premium Snow grade, Size40 Clamshell Go Stones, Premium Snow grade, Size40 720,000JPY
Clamshell Go Stones, Premium Blossom grade, Size40 Clamshell Go Stones, Premium Blossom grade, Size40 155,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size38

Clamshell Go Stones, Size38 10.7mm Clashell Go Stones, Premium Snow grade, Size38 Clashell Go Stones, Premium Snow grade, Size38 420,000JPY
Clashell Go Stones, Premium Blossom grade, Size38 Clashell Go Stones, Premium Blossom grade, Size38 104,000JPY
It is a stones made of Mexican of clamshell stones.

Clamshell Go Stones, Size36

Clamshell Go Stones, Size36 10.1mm Clamshell Go Stones, Premium Snow grade, Size36 Clamshell Go Stones, Premium Snow grade, Size36 330,000JPY
Clamshell Go Stones, Premium Blossom grade, Size36 Clamshell Go Stones, Premium Blossom grade, Size36 79,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size34

Clamshell Go Stones, Size34 9.5mm Clamshell Go Stones, Premium Snow grade, Size34 Clamshell Go Stones, Premium Snow grade, Size34 250,000JPY
Clamshell Go Stones, Premium Blossom grade, Size 34 Clamshell Go Stones, Premium Blossom grade, Size 34 63,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size32

Clamshell Go Stones, Size32 8.8mm Clamshell Go Stones, Premium Snow grade, Size32 Clamshell Go Stones, Premium Snow grade, Size32 140,000JPY
Clamshell Go Stones, Premium Blossom grade, Size 32 Clamshell Go Stones, Premium Blossom grade, Size 32 50,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size30

Clamshell Go Stones, Size30 8.0mm Clamshell Go Stones, Premium Snow grade, Size30 Clamshell Go Stones, Premium Snow grade, Size30 90,000JPY
Clamshell Go Stones, Premium Blossom grade, Size 30 Clamshell Go Stones, Premium Blossom grade, Size 30 39,000JPY
It is a stones made of Mexican of clamshell.

Clamshell Go Stones, Size28

Clamshell Go Stones, Size28 7.5mm Clamshell Go Stones, Premium Snow grade, Size28 Clamshell Go Stones, Premium Snow grade, Size28 60,000JPY
Clamshell Go Stones, Premium Blossom grade, Size 28 Clamshell Go Stones, Premium Blossom grade, Size 28 35,000JPY
It is a stones made of Mexican of clamshell.
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