Cacholong definition

(mineralogy) An opaque or milk-white chalcedony, a variety of quartz.
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(mineralogy) A similar variety of opal.
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Other Word Forms

Noun

Singular:
cacholong
Plural:
cacholongs

Origin of cacholong

  • From French cacholong, said to be from Cach, the name of a river in Bucharia + cholon, a Calmuck word for stone; or from a Calmuck word meaning "beautiful stone".

    From Wiktionary