natrolite
IPA: nˈætrʌɫaɪt
noun
- (mineralogy) A fibrous zeolite mineral, being a sodium aluminosilicate, of the chemical formula Na₂Al₂Si₃O₁₀·2H₂O.
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Examples of "natrolite" in Sentences
- On the atomic level deformations in the auxetic zeolite natrolite
- The bed holding the upright crystals is also natrolite in confused matted masses.
- They form a large class of minerals of which Thomsonite and natrolite may be selected as examples --
- Pectolite sometimes resembles some of the others, but may be readily distinguished by its _tough_ long fibers, not brittle like natrolite.
- It generally occurs in the form shown in Fig. 9, grouped very similarly to natrolite, and being right upon the rock or a thin bed of itself.
- Ekkehardt furnishing an occasion for a visit to the Hohentwiel mountain in search of that golden-tinted natrolite mineral, which was duly found
- Stilbite is characterized by its form, difficult gelatinizing, and intumescence before the blowpipe; from natrolite as mentioned under that species.
- -- 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.
- There is, however, a very fine vein of pectolite about twenty-five feet further east from the natrolite bed; it runs from the floor to ceiling, and is about two inches in thickness; some specimens of which I took from these were unusually unique in both size and appearance.
- This natrolite is a grouping of very small but perfect crystals, having the forms shown in Fig. 5; they are from a quarter to an inch long, and, if not perfectly transparent, are of a pure white color; they may be readily recognized by their form, and occurring in this bed.
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