prehnite

[ prey-nahyt, pren-ahyt ]

noun

1. a mineral, hydrous calcium aluminum silicate, Ca 2 Al 2 Si 3 O 1 0 (OH) 2 , occurring in light-green reniform aggregates or tabular crystals.

Word History and Origins

Origin of prehnite¹

First recorded in 1785–95; named after Colonel Van Prehn, 18th-century Dutchman who brought it from South Africa to Europe; -ite ¹

Example Sentences

This necklace, a serpentine armature of rose gold with pavé diamonds, incorporates an elegant palette that is pure Hermès: apple-green prehnite cabochons, a pale blue-gray sapphire and pink, brown and blue tourmalines.

From New York Times

As a result, the collection privileges rose gold and diamonds, which Hardy chose for their ability to amplify natural radiance, as well as cabochons in nuanced, mutable tones: blue tourmaline, smoky quartz, greenish-yellow prehnite and cream moonstones.

From New York Times

Prehnite, pren′īt, n. a hydrous silicate of alumina and lime, usually of a pale-green colour.

From Project Gutenberg

In some exceptional cases, e.g. axinite, prehnite, &c., there is no apparent relation between the distribution of the pyro-electric charges and the symmetry of the crystals.

From Project Gutenberg

We also found some large tabular fragments, evidently portions of a vein consisting of prehnite, associated with calcareous spar, and native copper.

From Project Gutenberg