Min.
† 1. [f. Gr. ταινία ribbon + -ITE1: named 1841.] A variety of feldspar occurring in striped crystals.
1841. E. Hitchcock, Rep. Geol. Mass., II. 676. Some have proposed for it the name taenite on account of its resemblance to a ribbon.
2. [ad. Ger. tänit, Reichenbach 1861, f. Gr. ταινία ribbon, from the shape of its crystals.] Nickeliferous iron found in meteorites.
1868. Dana, Min., 16. Reichenbach has named that [alloy of iron and nickel] approaching probably the formula Fe4Ni3. Tænite.
1883. Science, I. 464/2. Meteorite fragments are composed of nickeliferous iron, magnetic pyrites, taenite, and silicates.