Tenmoku
A reduction fired transparent glaze with about 10% iron oxide that fires to a variegated deep maroon to black and which breaks to iron-red crystallized areas where thin. Kaki glazes are closely related, however they contain more iron oxide so that crystallization occurs over the whole surface. In Bound Links
Pictures Alberta Slip used as a straight glaze at cone 10R, it looks much like a Tenmoku.

A cone 10 reduction tenmoku glaze with about 10% iron oxide.

Iron silicate crystals that often grow in tenmoku glazes when they are cooled sufficiently slowly.

Example of a tenmoku on a white stoneware and a Grolleg porcelain.

An example of what a tenmoku glaze looks like on a buff stoneware (left) and brown speckled stoneware (right).

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