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44 the [[underline]] common [[/underline]] "Green-stone" of geologists, is simply a kind of [[underline]] Trap rock [[/underline]]; and it is not [[underline]] "Nephrite" [[/underline]]! So also [[underline]] "Serpentine" [[/underline]] is quite a [[underline]] different [[/underline]] mineral from the [[underline]] "Green-stone" [[/underline]]