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jewelry glossary

Antique jewelry glossary

Welcome to our extensive antique jewelry glossary with around 1,500 jewelry related entries.If you feel you are missing an explanation, feel free to let us know and we will add it.

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Touchstone

Generally, a black siliceous stone (usually basanite) related to flint that is used to test the purity of gold and silver by the streak left on the stone when rubbed by the metal. In recent years some other material is sometimes used for the purpose, the requirements being that it is black, harder than the metal to be tested, and finely grained, e.g. unglazed black basaltes made by Wedgwood.

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

Jewelry Glossary

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