cacholong

English

Etymology

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".

Noun

cacholong (plural cacholongs)

1. (mineralogy) An opaque or milk-white chalcedony, a variety of quartz.
2. (mineralogy) A similar variety of opal.

References

“cacholong”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2024.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “cacholong”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)