natrolite

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Englisch - Englisch
A fibrous zeolite mineral, being a sodium aluminosilicate, of the chemical formula Na2Al2Si3O10·2H2O
a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure
a fibrous zeolite mineral, being a sodium aluminosilicate
It is a hydrous silicate of alumina and soda