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chal·ce·do·ny | \ kal-ˈse-də-nē 
, chal-; ˈkal-sə-ˌdō-nē , ˈchal-, -ˌdä- \
, chal-; ˈkal-sə-ˌdō-nē , ˈchal-, -ˌdä- \ plural chalcedonies
Definition of chalcedony
: a translucent variety of quartz of various colors and waxy luster
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Other Words from chalcedony
chalcedonic \ ˌkal-sə-ˈdä-nik \ adjective
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The first known use of chalcedony was in the 13th century
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