prehnite
[ prey-nahyt, pren-ahyt ]
/ ˈpreɪ naɪt, ˈprɛn aɪt /
noun
a mineral, hydrous calcium aluminum silicate, Ca2Al2Si3O10(OH)2, occurring in light-green reniform aggregates or tabular crystals.
Origin of prehnite
1785–95; named after Col. Van
Prehn, 18th-century Dutchman who brought it from South Africa to Europe; see
-ite1
Words nearby prehnite
prehensible,
prehensile,
prehension,
prehistoric,
prehistory,
prehnite,
prehominid,
prehormone,
prehuman,
preictal,
preignition
Example sentences from the Web for prehnite
Also, in detached fragments, on the south shore of Lake Superior, intimately mixed with prehnite.
Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 |Henry Rowe SchoolcraftPrehnite, pren′īt, n. a hydrous silicate of alumina and lime, usually of a pale-green colour.