ilmenicacid

Chem: An acid supposed to exist in yttro-ilmenite. It is very little known, and some chemists contend that it is not a pure acid, but a mixture of niobic and tungstic acid. Il-men-ite, s. [From the Ilmen Mountains, a branch of the Urals, in the province of Orenburg, in Siberia.] Mineralogy : 1. According to Dana a variety of Men acc a nite. Composition: Titanic acid, 45'4-46-92; sesquioxide of iron, 10-74-40-7; protoxide of iron, 14.1-37.86, . The Brit . Mus . Cat . makes it a distinct species. 2. Ilmenite of Brooke is Men acc a nite. Il-men-i-ŭm, s. [Latinized from Ilmen.] [ILMENITE.] Chem. The hypothetical metal of ilmenic-acid. Il-men-o-rū-tile, s. [Ilmen(ite); o euphonic, and Eng., ., rutile (q. v.).] Min.: A A variety of rutile, containing titanic acid, 89-3, and sesquioxide of iron, 10.7. Il-va-ite, s . [Lat. Ilva Elba; -ite ( Min .).] Min.: The same as LIEVRITE (q. v.). Dana prefers this latter name.