Min. [a. F. jaspagate, ad. L. iaspachātes (Pliny), a. Gr. ἰασπαχάτης, f. ἴασπ-ις jasper + ἀχάτης AGATE.] The same as agate jasper: see JASPER 1.
‘Iaspachates must have been an agate in which bluish and greenish shades (Iaspis) predominated’ (Dana, Min., 195).
1748. Sir J. Hill, Hist. Fossils, 489*. Greenish brown Variegated Agate. The Jasp-Agate of the Antients.
1811. Pinkerton, Petral., I. 99. Opake; sometimes translucent on the edges, but it then passes to jaspagate.
1828. Webster, Jaspachate, a name anciently given to some varieties of agate jasper.
