Feather

This glossary entry has not yet been updated and is under review.

See our: feather jewelry.A type of microscopic internal incipient crack or fissure in a crystal that has been filled with gas, liquid or some subsequently introduced substance and that has a feathery appearance. Such flawsare found in some rubies and sapphires, varying in form depending on the origins of the stones, and in some genuine and synthetic emeralds.

Explanation on feather by Adin antique jewelry
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Feather

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See our: feather jewelry.A type of microscopic internal incipient crack or fissure in a crystal that has been filled with gas, liquid or some subsequently introduced substance and that has a feathery appearance. Such flawsare found in some rubies and sapphires, varying in form depending on the origins of the stones, and in some genuine and synthetic emeralds.

Also known as:

References

From: An Illustrated Dictionary of Jewelry, autor: Harold Newman, publishers: Thames and Hudson