geikieliten.
/ˈɡiːkɪlʌɪt/ Mineralogy.
A titanate of magnesium, with some magnesium replaced by iron, known only as brownish or bluish black rolled pebbles from Sri Lanka (formerly Ceylon).
ΚΠ
1892 A. Dick in Min. Mag. 10 145 Geikielite, a New Mineral from Ceylon.
1892 Nature 27 Oct. 620/2 The pebbles were handed over to Mr. Allan Dick for chemical investigation. Quantitative analysis proved the mineral to be essentially magnesium titanate... To this interesting new species Mr. Dick..gave the name Geikielite, in honour of Sir Archibald Geikie,..in whose laboratory the analysis had been made.
1906 Jrnl. Chem. Soc. 90 ii. 459 The ferric oxide shown in these analyses is in some cases primary (isomorphously replacing the geikielite molecule).
1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 536 Ilmenite is FeTiO3 with as much as 54 atomic per cent of Mg..and grading into geikielite, (Mg,Fe)TiO3.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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