Enter a New Chinese Tea Phrase
Translation heijingang (Hei1 Jin1 Gang1) = (黑金刚) literally Black Diamond, in zisha parlance, a recently developed compound clay material, not a raw ore, made of normal zisha plus manganese and/or iron oxides, that when high fired multiple times yields a black finish, as well as high metallic content, to the extent of possible magnetizeability
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