Glass

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

An amorphous, artificial, non-crystalline substance, usually transparent but often translucent or opaque. It can be distinguished from most gemstones by its single refraction and consequent lack ofdichroism and by comparison of the refractive indices.

Explanation on glass by Adin antique jewelry
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Glass

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An amorphous, artificial, non-crystalline substance, usually transparent but often translucent or opaque. It can be distinguished from most gemstones by its single refraction and consequent lack ofdichroism and by comparison of the refractive indices.

Also known as:

References

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