Identification tests for true yellow sapphire : The gem brought - TopicsExpress



          

Identification tests for true yellow sapphire : The gem brought should be proved real even after performing certain identification tests. They include : • Test in milk : dip the Pukhraj gem in milk for about 24 hours and check for the colour . The colour remains the same glowing yellow indicating a real gem. • Test under sunlight : place the gem to be tested on a transparent piece of cloth and expose it to sun light . A specialized hue of light colours is produced by the stone indicating its originality. General gem deposits and stone prices :
Posted on: Thu, 01 Aug 2013 12:14:30 +0000

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