natrolite

American  

[na-truh-lahyt, ney-] / ˈnæ trəˌlaɪt, ˈneɪ- /

noun

1. a white or colorless zeolite mineral, a hydrous silicate of sodium and aluminum, Na 2 Al 2 Si 3 O 1 0 ⋅2H 2 O, often occurring in acicular crystals.

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natrolite British  

/ ˈneɪ-, ˈnætrəˌlaɪt /

noun

1. a colourless, white, or yellow zeolite mineral consisting of sodium aluminium silicate in the form of needle-like orthorhombic crystals. Formula: Na 2 Al 2 Si 3 O 10 .2H 2 O

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Etymology

Origin of natrolite

First recorded in 1795–1805; natro(n) + -lite

Example Sentences

The bed holding the upright crystals is also natrolite in confused matted masses.

From Scientific American Supplement, No. 344, August 5, 1882 by Various

Stilbite is characterized by its form, difficult gelatinizing, and intumescence before the blowpipe; from natrolite as mentioned under that species.

From Scientific American Supplement, No. 344, August 5, 1882 by Various

They form a large class of minerals of which Thomsonite and natrolite may be selected as examples— Thomsonite.

From Elements of Agricultural Chemistry by Anderson, Thomas

Pectolite sometimes resembles some of the others, but may be readily distinguished by its tough long fibers, not brittle like natrolite.

From Scientific American Supplement, No. 344, August 5, 1882 by Various

Stilbite.—Small quantities of this beautiful mineral have been found in Shaft No. 2, in a small bed of but a few square feet in area, but quite thick and appearing much like natrolite.

From Scientific American Supplement, No. 344, August 5, 1882 by Various