Jasperoid
/ˈdʒæs.pə.rɔɪd/noun
A rock formed by silicification that resembles jasper in appearance or composition.
Did you know?Jasper’s ancient name traveled through Greek and Latin before becoming a modern geological label for rocks altered by intense silica-rich fluids.
Etymological Timeline
Ancient Greek
Greek
ἴασπις (iaspis)
“A spotted or variegated gemstone, traditionally identified as jasper”
Classical Latin
Latin
iaspis
“Jasper or a similar ornamental stone”
Medieval Latin
Latin
iasper
“Jasper; a colored ornamental stone”
14th Century
Old French
jaspre
“Jasper”
Late 19th Century
English
jasper
“An opaque, usually multicolored variety of chalcedony”
Modern geology
English
jasperoid
“Jasper-like; especially describing a silicified rock resembling jasper”