The Single Best Strategy To Use For gems

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Birefringence Testing Birefringence tests will provide you with A further important attribute about your stone to assist you determine its identification. To determine a stone's birefringence, although the stone continues to be on the hemicylinder crystal, you may produce a number of about six about thirty-degree turns, until finally the https://cesartvshd.xzblogs.com/66891290/5-essential-elements-for-gemstones-with-pictures


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