Ogatsu Suzuri

Some time ago, I wrote about Ogatsu stone, which is found in Japan.  It is a a dark grey stone, nearly black in color, easily carved and used for many purposes.  Ogatsu stone is famous for suzuri as it is a dense stone with low porosity.

A characteristic of suzuri carved from Ogatsu stone is that the outer borders and edges of the stone often are left as natural as possible.  The well is smooth, with an area for the making of sumi, and a deeper area to store the ink.  Touching the surfaces smoothed for ink making, it is an incredible soft feeling, very smooth without any sense of roughness beneath the fingertips.  Outside the well, the stone is smoothed, but the texture of the stone is allowed to come through.  The sides are rough, as if chipped away with another stone, but then smoothed over, enough to preserve the ripples in the slate, but not to be unpleasant or rough to the touch.

This suzuri is in two parts, a lid, and a stone for grinding and storing ink.  The lid is an extension of the stone from which the suzuri is carved, and simply rests on top of the the stone.  The weight of the lid helps prevent it from moving off the stone, but, unlike the boxes of Chinese ink stones, this one can slide, and a small disaster could certainly result if it were to fall to the floor!

The length of the stone, including the lid, is about 7.25 inches (18.5 cm) and 5 inches (12.5 cm) at its widest.  Total weight of lid and suzuri is about 2.5 lbs.

Every stone has its own characteristics.  Japanese stone differs from Chinese, from what I can tell, in that it is less porous than Duan or She.  It takes a bit more effort to make sumi with the Japanese stones I have, but not in a negative way – it is simply a different experience.  Fine stones from both countries are definitely worthwhile purchases, as are professional grade sumi sticks.


2 thoughts on “Ogatsu Suzuri

  1. Hello,
    This inkstone is not Ogastu it is a Nachiguro stone. Ogastu is grey slate and usually paint black on the outside. Ogastu is used for roofing too. The layers of stone are usually very thin. Many times are painted with heavy black paint. The corners can be left free. Nachiguuro stone has a very common characteristic. This is the spalling flakes. The triangle shape chip outs. The normal Nachiguro dressing is the long natural texture which can look like grass or flowers.
    Nachiguro makes ink that is good for thick line kaishu, guided soft line which explode with power and force. Good for running and walking script. It is the only ink stone which is and equal to She or Duan. It makes each type of ink stick very differently. Many ink stones the ink feels the same from ink stick to ink stick.
    The stone you have is mined. River stone(old stone exposed to elements ) will have one or more rusted sides. These make the best ink just like old Duan or She. It has to do with the changes in pore size in the stone. Andrew

  2. Hi Andrew – thanks for your input. Living in the US we have very little information about suzuri, and little, if any, access to stones of good quality. Art stores here sell stones of low quality, and low price, and ink of poor quality. It is really unfortunate for those of us who enjoy ink painting. The same may be said of brushes and paper, although there are some vendors who do provide high quality and professional materials from Japan and China. I would love to know what Korea has to offer, too, as they have a fine tradition of ink painting and calligraphy. –Naomi

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