Show CAMPAIGN AGAINST IMITATION JEWELS New Now York Jan 2 26 Wholesale dealers in precious stones have opened a 3 campaign n against the fraudulent sale lIe of Imitation clous stones und anti retail Jewelers Jew jew- Information Is being sent f-ent to lo elers throughout the country of or a new method of distinguishing all nil glass im- im from stones siones Hitherto dealers say the sale of spurious gems has hat been boon facilitated by bythe bytho time the fact that the character of oC man of ot them could not be determined except by a man manI I using a special ap Now ow any uny IH person ISon by hy simply tho the stone whether fr free c or 01 set into an nn acid m may y learn at nt once whether er it is of o glass s. Hydrofluoric acid which is 19 common commonly used In Jewelry je factories In etching glass golass is the only One Ono minutes minute's immersion will wi cat eat the polish off of the hardest glass ever made The acid It Is 19 sl said will wi not Injure gold |