prehnite
[ prey-nahyt, pren-ahyt ]
noun
a mineral, hydrous calcium aluminum silicate, Ca2Al2Si3O10(OH)2, occurring in light-green reniform aggregates or tabular crystals.
Origin of prehnite
1First recorded in 1785–95; named after Colonel Van Prehn, 18th-century Dutchman who brought it from South Africa to Europe; see -ite1
Words Nearby prehnite
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use prehnite in a sentence
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.
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