ilmenorutilen.
/ˌɪlmənə(ʊ)ˈruːtʌɪl//ˌɪlmənə(ʊ)ˈruːtɪl/ Mineralogy.
A black variety of rutile containing iron, niobium, and tantalum.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > rutile and uranite groups A02 > rutile
red schorl1794
titanite1796
nigrine1805
rutile1805
rutilite1805
ilmenorutile1861
1861 H. W. Bristow Gloss. Mineral. 189/2 Ilmenorutile, Von Kokscharow. A variety of Rutile occurring in the form of the fundamental pyramid, without any prismatic planes.
1929 Encycl. Brit. XIX. 774/1 The colour [of rutile] is usually reddish-brown, though..black in the ferruginous varieties (‘nigrine’ and ‘ilmenorutile’).
1962 W. A. Deer et al. Rock-forming Minerals V. 35 Apart from the ferroan and ferrian varieties of rutile, there is also the niobian variety, or ilmenorutile, with up to 60 per cent. of Fe(Nb,Ta)2O6 with Nb > Ta.
1968 Daily Tel. 12 Nov. 14/4 The ilmenite mines are in the Jeseniky mountain range near the Polish border, and in Pisek, south of Pilsen, where the mines contain ilmeno-rutile, a more complex mineral suitable for the production of thorium as a trigger for H-bombs, as well as titanium.
This entry has not yet been fully updated (first published 1933; most recently modified version published online March 2022).
<
n.1861- to go away with it
- to go away with the worse
- to go awol
- to go awry
- to go back
- to go back of
- to go back on
- to go back on one's word
- to go back to the mat
- to go back to the world
- to go back upon
- to go backward
- to go backwards
- to go bad
- to go badly to market
- to go bail
- to go bald-headed
- to go bald-headed at
- to go bald-headed for
- to go bald-headed into
- to go baldheaded
- to go baldheaded at
- to go baldheaded for
- to go baldheaded into
- to go ballistic