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how can I tell if I have a pink diamond or a sapphire?
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tell if i have a pink diamond or a sapphire. tell if i have a pink diamond or a sapphire

 
 
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Diamond is the best thermal conductor of all natural materials, and jewelers use a pen-like electronic device to determine whether a diamond is genuine by measuring its thermal conductivity. The test only takes a few seconds and does not damage the stone. You could also submerge the stone in a solution with the same refractive index as diamond and see if it becomes invisible. A third method (not recommended) is to see if the stone will burn. A sapphire can withstand much higher temperature than a diamond, which will burn and produce carbon dioxide.
 
 
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Pink diamonds are pink and sapphire is blue
 
 
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