Read Edit View history 涅石 nièshí black dye mineral Origin Definitions Defs Strokes Stroke Words Sentences Sents 涅石 nièshí black dye mineral (literary) a mineral mentioned in ancient texts used as a black dye alunite alunite or alum used in traditional Chinese medicine Cross-References See 矾石 fánshí
涅石 nièshí black dye mineral (literary) a mineral mentioned in ancient texts used as a black dye alunite alunite or alum used in traditional Chinese medicine Cross-References See 矾石 fánshí