Usage examples (9)

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