"Smithsonite" Quotes from Famous Books
... in the tourmaline, and it is observed, speaking broadly, only in those minerals which are hemimorphic, that is, where the crystals have different planes or faces at their two ends, examples of which are seen in such crystals as those of axinite, boracite, smithsonite, topaz, etc., all of ... — The Chemistry, Properties and Tests of Precious Stones • John Mastin |