The Collaborative International Dictionary
Jasperize
Jasperize \Jas"per*ize\, v. t. [Usually p. p. Jasperized (?).] To convert into, or make to resemble, jasper.
Polished specimens of jasperized and agatized woods.
--Pop. Sci.
Monthly.
Wiktionary
jasperize
vb. To convert into, or make to resemble, jasper