Di-Calcium Bone Ash (typically for raku)
Di-Calcium Bone Ash (typically for raku)
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Bone ash is a material made from ground, calcined cattle bone that is used as a flux in clay bodies and an opacifier in glazes. Di-Calcium Bone ash is the natural form of bone ash, almost always being used for raku purposes.
Information gathered from The Potter's Dictionary of Materials and Techniques by Frank Hamer.
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