pseudojasper

English

Etymology

From pseudo- +‎ jasper.

Noun

pseudojasper (countable and uncountable, plural pseudojaspers)

1. (mineralogy, dated) A rock that resembles, but is not, jasper
   • 1841, Edward Hitchcock, Final report on the geology of Massachusetts - Page 553‎^[1]:

     Now I suspect that the action of granite on this rock, has converted a part of it into this pseudo-jasper.

   • 1888, Benito Pérez Galdós, La familia de León Roch - Volume 2‎^[2], page 86:

     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.