#C365 - Size 25 Slate and Shell Go Stones (Japanese) and Go Bowls (Chestnut) Set - Suwabute

This lovely set includes refurbished Go Stones and Go Bowls.   The stones are size 25 Slate & Shell (7.5mm).  The 180 clamshells are Suwabute stones, Japanese clams that are no longer harvested due to depletion. Japanese clams are not graded like Mexican clams, as they grow slower at a higher latitude and so have a higher density of lines. My lightbox shows their dense lines. The clamshell stones were been cleaned per our Care Instructions, including a week-long soak in h2o2 and a rinse with distilled water. The flashlight on your phone will shine through most Mexican clams to reveal a yellow color, but Japanese clams reveal a deep orange - in this regard, they are similar to egg yolks of different qualities. On the other hand, Mexican clamshell has a pure white exterior, while these vintage Japanese clamshells have the unmistakable orange colorations of flower-grade Suwabute shells. The 181 slate stones are slightly wider, to account for black's slimming effect. They were washed w