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Gemology is a vast field where the primary focus is to identify stones correctly. One cannot guarantee whether the stone is real or fake unless one knows properties of gemstone.

* Separation of gemstone from man-made glass: Glass exhibits a round to elongated gas bubbles. Gas bubbles are spherical cavity. Sometimes it gets confuse with round crystal fingerprints in natural gemstone.

* Separation of gemstone from plastic: Using hot needle point to test the stone will give a peculiar odour and may melt where the hot point is applied.

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