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

And a gold yellow drop of natrolite From the dark stone oft comes peeping; Those are the tears which Sir Bas�lt For his crushed love ever is weeping.

From Project Gutenberg

This natrolite is a grouping of very small but perfect crystals, having the forms shown in Fig.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg