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Show blMPIdE RULES are GIVEN IX)K TESTING OF DIAMONDS! B International News Service.) I'HlCAOi ran you tell ., K e n ,'j i n j diamond" Ninety-nine out of a hun-1 dred persons can't. Most persons are la the mercy of a dealer In buying diamonds. A reliable Jeweler lives up ,io the trades traditions of bonasty.l pul there are other dealers not so reliable. re-liable. Nun c diamonds (irr the most frequent!) bought of all gems nou.,. Idays II maj be well foi anyone to' study these rules given bv the Klec-trlcal Klec-trlcal Kxperlmenter Murk the diamond with an aluml-l num pencil If It is a real diamond tils mark mav be removed saallv with! a moistened cloth. If It Is glass, the m.irk cannot be removed eRn Aith acids. A nail flic if drawn alon the edge -v!ll not cut the diamond srhlle It will ni k glass. Diamond facets have sharp edges 1-ji.et on glasj" have murh duller1 edges. A diop of water spreads on glass1 and icmalns globular on a diamond.' eMi If moved about with a pin I If a genuine top has been cemented Ion S glass foundation it may be de-' tected If the spurious gem is plaeed llr. oil The bent test of all is the specific i gravity test. All genius diamonds show a specific gravity of 3.6:v |