idocrase
(noun)
noun
1. a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
Similar word(s): vesuvian, vesuvianite
(noun)
1. a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
Similar word(s): vesuvian, vesuvianite