白云石 Traditional form: 白雲石 Pinyin (reading): báiyúnshí Definitions: dolomite Characters: 白 - white; clear, pure, unblemished; bright 云 - cloud; to say, to speak 石 - stone, rock, mineral Traditional characters: 白 - white; clear, pure, unblemished; bright 雲 - cloud; to say, to speak 石 - stone, rock, mineral