different between cyolite vs cymolite

English

cyolite (uncountable)

(inorganic chemistry) Any of a range of synthetic minerals composed of sodium, calcium and aluminium fluorides used (as a substitute for cryolite) as a flux in the electrolysisof bauxite
A class of minerals, also indicated as calcined clay, composed of silicon dioxide, aluminum silicate, applied as the carriers in the industry of feed additives.

cymolite (countable and uncountable, plural cymolites)

(erroneous) Rare spelling of cimolite.
- 1816, John Mawe, A Descriptive Catalogue of Minerals, Intended for the Use of Students, pages 56–57
  Cymolite.?Is a substance nearly allied to the preceding [Green Earth] and the following [Fuller’s Earth]; colour white, or with a reddish tinge, adheres to the tongue; in water separates in laminæ, which become translucent; is rare: from Derbyshire.
- 1976, Wesley William Wendlandt and L.W. Collins [eds.], Thermal Analysis (Dowden, Hutchinson & Ross; ?ISBN, 9780879332389), page 15
  Some similar plates have been obtained with the montmorillonites of St. Jean de Cole (Dordogne), of Confolens (Charente), the “confolensite” of Confolens (Charente), the steargilite of Poitiers (Vienne), the cymolites of the Isle of Cymolis (Greece), and the smectic clays of Reigate (England), and of Styrie.

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