Natrolite

Natrolite is a tectosilicate mineral species belonging to the zeolite group. It is a hydrated sodium and aluminium silicate with the formula {sodium|2}{aluminum|2}{silicon|3}{oxygen|10}{hydrate|2}. The type locality is Hohentwiel, Hegau, Germany. It was named natrolite by Martin Heinrich Klaproth in 1803. The name is derived from νατρών natr...
Found on http://en.wikipedia.org/wiki/Natrolite

natrolite

[n] - a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
Found on http://www.webdictionary.co.uk/definition.php?query=natrolite

Natrolite

• (n.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda. • (n.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda.Natrolite: wo...
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natrolite

noun a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
Found on http://wordnetweb.princeton.edu/perl/webwn?s=natrolite

Natrolite

Na'tro·lite noun [ Natron + -lite : confer French natrolithe .] (Min.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda.
Found on http://www.encyclo.co.uk/webster/N/6

natrolite

hydrated sodium aluminosilicate mineral, Na2Al2Si3O102H2O, in the zeolite family. It has been found in the form of colourless or white, glassy, ...
Found on http://www.britannica.com/eb/a-z/n/17

Natrolite

Natrolite is a colourless, white, or yellow zeolite mineral consisting of sodium aluminium silicate in the form of needle-like orthorhombic crystals and a relative hardness of 6. Natrolite is most often found in cavities in basalt. It is formed through the alteration of plagioclase feldspar, nepheline or sodalite.
Found on http://www.probertencyclopaedia.com/browse/HN.HTM
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