It is used to determine whether a gemstone is natural or synthetic Can also be used for detecting synthetic blue spinel and for detecting dyes in certain gemstones This gemological tool is helpful for identifying certain red, blue and green gemstones
It is used to determine whether a gemstone is natural or synthetic Can also be used for detecting synthetic blue spinel and for detecting dyes in certain gemstones This gemological tool is helpful for identifying certain red, blue and green gemstones
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