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Title:
Pseudorutile-a New Mineral Intermediate between Ilmenite and Rutile in the N Alteration of Ilmenite
Authors:
Teufer, G.
Publication:
Nature, Volume 211, Issue 5045, pp. 179-181 (1966). (Nature Homepage)
Publication Date:
07/1966
Origin:
NATURE
Abstract Copyright:
(c) 1966: Nature
DOI:
10.1038/211179b0
Bibliographic Code:
1966Natur.211..179T

Abstract

ALTERATION of the mineral ilmenite, FeO.TiO2 in nature involves the processes of oxidation and leaching whereby iron is progressively removed to give a residual product, essentially TiO2. Several investigations have been reported of the alteration products of ilmenite, but apart from composites of known oxides of iron and titanium, no distinct intermediate phase has been discovered. As a result of an investigation of several altered ilmenite concentrates by X-ray techniques hitherto not applied to this problem, a new crystalline phase has been identified as a major constituent of altered ilmenite. The new phase crystallizes in a disordered structure of hexagonal symmetry and has the theoretical composition Fe2O3.3TiO2. We propose the name `pseudorutile' for this new mineral.
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