pseudojasper
nounEtymology From pseudo- + jasper.
1
Chemistry, Geography, Geology, Mineralogy, Natural sciences, Physical sciences Dated A rock that resembles, but is not, jasper
- Now I suspect that the action of granite on this rock, has converted a part of it into this pseudo-jasper.1841, Edward Hitchcock, Final report on the geology of Massachusetts - Page 553:
- The pseudojasper, gold, and brilliant colours dazzled the eye till they all seemed to be swimming round and round the dome like fishes in a glass bowl.1888, Benito Pérez Galdós, La familia de León Roch - Volume 2, page 86: