A mineral consisting of a silicate of calcium, magnesium, and aluminium, occurring typically as dark-green to brown prisms in metamorphosed limestone.
More 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.
early 19th century: from Greek eidos 'form' + krasis 'mixture'.
Definition of idocrase in:
- The US English dictionary