Min. [ad. Ger. titanit (Klaproth, 1795), I. TITAN-IUM + -it, -ITE1; named from its containing the metal titanium.]

1

  1.  A mineral composed chiefly of calcium titanosilicate, CaO.TiO2.SiO2; also called sphene.

2

  Iron is present in varying amounts, sometimes also manganese and yttrium.

3

1858.  Dana, Min. (1868), 385. Titanite occurs in imbedded crystals in granite, gneiss, mica, schist, syenite [etc.].

4

1879.  Rutley, Stud. Rocks, x. 140. Sphene (titanite) crystallises in the monoclinic system.

5

  † 2.  Erroneously applied by Kirwan to the mineral now called RUTILE, a form of titanium dioxide, which he took to be an element. Obs.

6

1796.  Kirwan, Elem. Min. (ed. 2), II. 329.

7

1799.  Monthly Rev., XXX. 349. Among the metals, are overlooked the Tellurite … and Titanite.

8

1812.  Sir H. Davy, Chem. Philos., 430. Titanium is obtained from a mineral long known by the name of red schorl or titanite.

9