Chrysoprase

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

A variety of chalcedony that is apple-green, owing to the presence of nickel. It is used for beads and cuten cabochon; in the Victorian era the cabochons were cut in the tallow-top style with facets around the rim.An imitation in glass can be detected by the presence of internal bubbles. If heated, it loses water and becomes pale. The name is derived from Greek chrysos (gold) and prasios (leek-green).A misnomer for agate stained green.

Explanation on chrysoprase by Adin antique jewelry
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Chrysoprase

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A variety of chalcedony that is apple-green, owing to the presence of nickel. It is used for beads and cuten cabochon; in the Victorian era the cabochons were cut in the tallow-top style with facets around the rim.An imitation in glass can be detected by the presence of internal bubbles. If heated, it loses water and becomes pale. The name is derived from Greek chrysos (gold) and prasios (leek-green).A misnomer for agate stained green.

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References

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