Definition of idocrase in English:

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idocrase

Pronunciation: /ˈʌɪdə(ʊ)kreɪz/
/ˈʌɪdə(ʊ)kreɪs/

noun

[mass noun]
A mineral consisting of a silicate of calcium, magnesium, and aluminium, occurring typically as dark-green to brown prisms in metamorphosed limestone.
Example sentences
  • In 1960 we had idocrase, whereas the change in nomenclature preference is reflected in the 1996 edition as vesuvianite (idocrase).
  • In fact idocrase is one stone that is sometimes mistaken for jade by jewelers and consumers alike.

Origin

Early 19th century: from Greek eidos 'form' + krasis 'mixture'.

For editors and proofreaders

Line breaks: ido|crase

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