chrȳsŏcolla, ae, f., = χρυσόκολλα.
I Mountain - green , copper - green , borax.
A Natural, Plin. 33, 5, 26, § 86 sq.; Vitr. 7, 9 fin. —
B Made by art, Plin. 33, 5, 27, § 89 sq.—
II A precious stone , called also amphitane, Plin. 37, 10, 54, § 147.
·noun A hydrous silicate of copper, occurring massive, of a blue or greenish blue color. ...
Webster's Dictionary of the English Language