
1) Calcedony 2) Carnelian 3) Chalcedony 4) French word used in English 5) July birthstone
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https://www.crosswordclues.com/clue/cornelian

1) Carnelian
Found on
https://www.crosswordclues.com/clue/cornelian

• (n.) Same as Carnelian.
Found on
http://thinkexist.com/dictionary/meaning/cornelian/

A red variety of the quartz gemstone chalcedony, which is used in jewellery, especially in signet rings and beads, and for seals. The gems range from medium, slightly cloudy red to clear, deep red.
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http://www.antique-marks.com/antique-terms-c.html

A red variety of the quartz gemstone chalcedony, which is used in jewellery, especially in signet rings and beads, and for seals. The gems range from medium, slightly cloudy red to clear, deep red.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Cor·nel'ian noun [ French
cornaline , Old French
corneline , from Latin
cornu horn. So called from its horny appearance when broken. See
Horn , and confer
Carnelian .]
(Min.) Same as
Carnelian .
Found on
http://www.encyclo.co.uk/webster/C/161

carnelian.
Found on
https://www.infoplease.com/dictionary/cornelian
No exact match found.