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Show elal Importance. For example, "If off-co.',?r. off-co.',?r. "tons can be lightened their value will Increase, while If th prolonged action ac-tion of radium is to communicate to thera a decided color they would be worth much more aa fancy tones." This may add considerably to the business of the Jeweler Jew-eler who for a consideration might undertake un-dertake to submit "off jeweh-y" to burial In radium for a season. London Lancet. j EADITJM IMPEOVE GEMS. I The Influence of radto-emanatlons on 1 the constitution of matter Is very curi ously illustrated in om recent experiments experi-ments made by Sir William Crookes. According Ac-cording to the results, if radium comes to be a common commodity among us some dismay may be caused to those who wear diamond on finding that the carbon car-bon crystal under the influence of radium threatens to return to Its less attractive form of graphite or crystalline ,lack carbem. On the other hand, radlur may turn but to be a "diamond Improver." It Is well known that radium ma-tlons ma-tlons possess the property of darkening transparent bodies upon which they Impinge, Im-pinge, and now Sir William Crookes has ahown that this also holds good In the case of diamonds. Th emanations not only convert the surface Into graphite, . but also alter the color of the body of the . stone. It la therefor suggested that this observation may prove to be of commer- |