[Jewelry making - Article 00438] - Re: [Orchid] Odd effect on surface of stones

[Orville & Rose Alene McArthur]

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    I am not an expert on stones, but I have noticed this sheen on the
    surface of sunstones for sale. My suspicion is that it has something
    to do with the alignment of the cleavage planes in the stone..perhaps
    making the "best" use of the size of the rough at the risk of future
    partings parallel to the iridescent face. Am I way off line? 

Rose Alene McArthur

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