natrolite Min.
(ˈnætrəʊlaɪt, ˈneɪtrəʊ-)
[f. natro-n + -lite; named by Klaproth, 1803.]
A hydrous silicate of aluminium and sodium, usually occurring in white, transparent, acicular crystals.
1805 Jameson Syst. Min. II. 541. 1811 Smithson in Phil. Trans. Cl. 171 The natrolite has been lately met with under a regular crystalline form. 1836 T. Thomson Min., Geol., etc. I. 317 Perhaps this mineral [mesolite] should..be considered as a variety of natrolite. 1850 Dana Geol. iv. 298 The basalt..contains minute cavities which are filled, apparently, with natrolite. 1879 Rutley Stud. Rocks x. 159 A meshwork of little prisms of natrolite, in some instances, almost completely filling the crystal. |