Peridot is a yellow-green stone that comes from the mineral olivine. Some believe its name derives from the Arabic "faridat," or "gem," according to Geological Institute of America. Others, however, ...
Long considered a kind of poor man’s ruby, the gemstone has come into its own. By Kathleen Beckett Pity the poor spinel. The gemstone that many people have never heard of has been saddled for ...
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