HEAVY DUTY, Durable, reliable and made by professional craftsmen Shows dichroism of a gemstone/rough Tells what the true colors are on each axis actually look like separately Orientate for axis and color , Helpful in differentiating stones of the same color from one another Get a good idea of what the colors will look like when mixed in the cut stone
HEAVY DUTY, Durable, reliable and made by professional craftsmen Shows dichroism of a gemstone/rough Tells what the true colors are on each axis actually look like separately Orientate for axis and color , Helpful in differentiating stones of the same color from one another Get a good idea of what the colors will look like when mixed in the cut stone
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