VESUVIANITE

vesuvianite, vesuvian, idocrase

(noun) a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone

Source: WordNet® 3.1

Etymology

Noun

vesuvianite (countable and uncountable, plural vesuvianites)

(mineral) A yellow, green or brown mineral, a mixed calcium, magnesium and aluminium silicate sometimes used as a gemstone.

Synonyms

• idocrase

Source: Wiktionary

Ve*su"vi*an*ite, n. (Min.)

Definition: A mineral occurring in tetragonal crystals, and also massive, of a brown to green color, rarely sulphur yellow and blue. It is a silicate of alumina and lime with some iron magnesia, and is common at Vesuvius. Also called idocrase.

Source: Webster’s Unabridged Dictionary 1913 Edition