[ˈɛpɪdəʊt], (Noun)

Definitions:
- a lustrous yellow-green crystalline mineral, common in metamorphic rocks. It consists of a basic, hydrated silicate of calcium, aluminium, and iron


Phrases:

Origin:
early 19th century: from French épidote, from Greek epididonai ‘give additionally’ (because of the length of the crystals)