1067:
29:
1122:
836:
765:
Mitchell, Jeremy N.; Yu, Ning; Sickafus, Kurt E.; Nastasi, Michael A.; McClellan, Kenneth J. (1998). "Ion irradiation damage in geikielite (MgTiO
1151:
81:
1115:
189:
222:
1156:
700:
1108:
829:
1161:
1146:
845:
822:
588:-ilmenite) from high-temperature high-pressure Raman spectroscopy ? Some implications for MgSiO3-ilmenite".
625:
Baura-Peña, M. P.; Martínez-Lope, M. J.; García-Clavel, M. E. (1991). "Synthesis of the mineral geikielite MgTiO
1141:
71:
778:
712:
638:
597:
556:
512:
424:
323:
212:
202:
728:
654:
613:
572:
442:
175:
939:
1041:
140:
1092:
978:
786:
753:
720:
687:
646:
605:
564:
520:
432:
371:
250:
232:
54:
1071:
544:
339:
462:
782:
716:
642:
601:
560:
547:(1990). "Thermodynamic properties of hematite — Ilmenite — Geikielite solid solutions".
516:
428:
1051:
1011:
919:
899:
740:
Parthasarathy, G. (2007). "Electrical resistivity of nano-crystalline and natural MgTiO
387:
319:
91:
1135:
1088:
1021:
853:
691:
446:
318:
It was first described in 1892 for an occurrence in the
Ceylonese gem bearing gravel
300:
268:
165:
103:
47:
732:
658:
617:
576:
799:
383:
335:
327:
487:
33:
Crystals of geikielite from the
Maxwell quarry, Chelsea, Outaouais, Québec, Canada
757:
701:"Titanian clinohumite and geikielite in marbles from the Bergell contact aureole"
1001:
991:
986:
959:
954:
924:
904:
584:
Reynard, B.; Guyot, F. (1994). "High-temperature properties of geikielite (MgTiO
359:
347:
278:
125:
28:
1047:
996:
944:
934:
790:
375:
363:
343:
116:
1037:
1006:
964:
949:
331:
1016:
929:
914:
909:
873:
367:
312:
308:
96:
437:
412:
868:
724:
650:
609:
568:
391:
379:
473:
883:
525:
500:
355:
351:
814:
667:
315:
system forming typically opaque, black to reddish black crystals.
818:
666:
Robie, Richard A.; Haselton, H.T.; Hemingway, Bruce S. (1989).
170:
Tabular prismatic crystals, also as finely granular masses
1096:
501:"Geikielite and Baddeleyite, Two New Mineral Species"
1030:
977:
892:
861:
852:
668:"Heat capacities and entropies at 298.15 K of MgTiO
287:
283:
Weak, O = pinkish red, E = brownish to purplish red
277:
267:
249:
241:
231:
221:
211:
201:
188:
174:
164:
156:
151:
139:
124:
102:
90:
80:
70:
53:
43:
38:
21:
160:Black, ruby red uncommon; red internal reflections
1116:
830:
8:
744:−geikielite at high-pressures up to 8 GPa".
1123:
1109:
858:
837:
823:
815:
798:Chao, G. Y.; Hounslow, A. W. (June 1967).
27:
705:Contributions to Mineralogy and Petrology
549:Contributions to Mineralogy and Petrology
524:
436:
483:
481:
800:"Geikielite; a new Canadian occurrence"
403:
680:The Journal of Chemical Thermodynamics
322:. It was named for Scottish geologist
147:c = 13.8992(7) Å; Z = 6
18:
672:(geikielite), ZnO (zincite), and ZnCO
458:
456:
7:
1084:
1082:
413:"IMA–CNMNC approved mineral symbols"
1095:. You can help Knowledge (XXG) by
14:
590:Physics and Chemistry of Minerals
1065:
16:Magnesium titanium oxide mineral
350:. Associated minerals include
1087:This article about a specific
311:group. It crystallizes in the
1:
758:10.1016/j.matlet.2007.01.097
692:10.1016/0021-9614(89)90058-X
631:Journal of Materials Science
1152:Minerals in space group 148
1178:
1081:
326:(1835–1924). It occurs in
1061:
804:The Canadian Mineralogist
791:10.1080/01418619808241931
26:
771:Philosophical Magazine A
488:Geikielite on Webmineral
474:Geikielite on Mindat.org
307:. It is a member of the
299:is a magnesium titanium
145:a = 5.05478(26) Å
463:Handbook of Mineralogy
417:Mineralogical Magazine
499:Fletcher, L. (1892).
227:Opaque to translucent
82:Strunz classification
699:Gieré, Reto (1987).
324:Sir Archibald Geikie
1157:Oxide mineral stubs
1072:Minerals portal
783:1998PMagA..78..713M
717:1987CoMP...96..496G
643:1991JMatS..26.4341B
602:1994PCM....21..441R
561:1990CoMP..104..645G
517:1892Natur..46..620F
438:10.1180/mgm.2021.43
429:2021MinM...85..291W
411:Warr, L.N. (2021).
303:with formula: MgTiO
725:10.1007/BF01166694
651:10.1007/BF00543648
610:10.1007/BF00202274
569:10.1007/BF01167285
242:Optical properties
1162:Titanium minerals
1147:Trigonal minerals
1104:
1103:
1079:
1078:
1042:carbonate mineral
979:Silicate minerals
973:
972:
846:Titanium minerals
752:(21): 4329–4331.
746:Materials Letters
511:(1200): 620–621.
330:impure magnesian
294:
293:
273:δ = 0.360 - 0.370
259:= 2.310 - 2.350 n
120:
1169:
1125:
1118:
1111:
1083:
1070:
1069:
1068:
859:
839:
832:
825:
816:
811:
794:
761:
736:
695:
662:
621:
580:
545:Ghiorso, Mark S.
531:
530:
528:
526:10.1038/046620b0
496:
490:
485:
476:
471:
465:
460:
451:
450:
440:
408:
340:ultramafic rocks
251:Refractive index
233:Specific gravity
194:
183:
135:
114:
111:
60:
59:(repeating unit)
31:
19:
1177:
1176:
1172:
1171:
1170:
1168:
1167:
1166:
1132:
1131:
1130:
1129:
1080:
1075:
1066:
1064:
1057:
1026:
969:
888:
848:
843:
797:
768:
764:
743:
739:
698:
675:
671:
665:
628:
624:
587:
583:
543:
540:
538:Further reading
535:
534:
498:
497:
493:
486:
479:
472:
468:
461:
454:
410:
409:
405:
400:
306:
263:= 1.950 - 1.980
262:
258:
192:
181:
146:
133:
113:
109:
66:
58:
57:
34:
17:
12:
11:
5:
1175:
1173:
1165:
1164:
1159:
1154:
1149:
1144:
1142:Oxide minerals
1134:
1133:
1128:
1127:
1120:
1113:
1105:
1102:
1101:
1077:
1076:
1062:
1059:
1058:
1056:
1055:
1052:borate mineral
1045:
1034:
1032:
1028:
1027:
1025:
1024:
1019:
1014:
1012:Nenadkevichite
1009:
1004:
999:
994:
989:
983:
981:
975:
974:
971:
970:
968:
967:
962:
957:
952:
947:
942:
937:
932:
927:
922:
920:Freudenbergite
917:
912:
907:
902:
900:Aeschynite-(Y)
896:
894:
890:
889:
887:
886:
881:
876:
871:
865:
863:
856:
854:Oxide minerals
850:
849:
844:
842:
841:
834:
827:
819:
813:
812:
795:
766:
762:
741:
737:
711:(4): 496–502.
696:
676:(smithsonite)"
673:
669:
663:
626:
622:
585:
581:
555:(6): 645–667.
539:
536:
533:
532:
491:
477:
466:
452:
423:(3): 291–320.
402:
401:
399:
396:
304:
292:
291:
289:
285:
284:
281:
275:
274:
271:
265:
264:
260:
256:
253:
247:
246:
243:
239:
238:
235:
229:
228:
225:
219:
218:
217:Purplish brown
215:
209:
208:
205:
199:
198:
195:
186:
185:
178:
172:
171:
168:
162:
161:
158:
154:
153:
152:Identification
149:
148:
143:
137:
136:
128:
122:
121:
108:Rhombohedral (
106:
100:
99:
94:
92:Crystal system
88:
87:
84:
78:
77:
74:
68:
67:
64:
61:
51:
50:
45:
41:
40:
36:
35:
32:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
1174:
1163:
1160:
1158:
1155:
1153:
1150:
1148:
1145:
1143:
1140:
1139:
1137:
1126:
1121:
1119:
1114:
1112:
1107:
1106:
1100:
1098:
1094:
1090:
1089:oxide mineral
1085:
1074:
1073:
1060:
1053:
1049:
1046:
1043:
1039:
1036:
1035:
1033:
1029:
1023:
1022:Zircophyllite
1020:
1018:
1015:
1013:
1010:
1008:
1005:
1003:
1000:
998:
995:
993:
990:
988:
985:
984:
982:
980:
976:
966:
963:
961:
958:
956:
953:
951:
948:
946:
943:
941:
938:
936:
933:
931:
928:
926:
923:
921:
918:
916:
913:
911:
908:
906:
903:
901:
898:
897:
895:
891:
885:
882:
880:
877:
875:
872:
870:
867:
866:
864:
860:
857:
855:
851:
847:
840:
835:
833:
828:
826:
821:
820:
817:
809:
805:
801:
796:
792:
788:
784:
780:
776:
772:
763:
759:
755:
751:
747:
738:
734:
730:
726:
722:
718:
714:
710:
706:
702:
697:
693:
689:
685:
681:
677:
664:
660:
656:
652:
648:
644:
640:
636:
632:
623:
619:
615:
611:
607:
603:
599:
595:
591:
582:
578:
574:
570:
566:
562:
558:
554:
550:
546:
542:
541:
537:
527:
522:
518:
514:
510:
506:
502:
495:
492:
489:
484:
482:
478:
475:
470:
467:
464:
459:
457:
453:
448:
444:
439:
434:
430:
426:
422:
418:
414:
407:
404:
397:
395:
393:
389:
385:
381:
377:
373:
369:
365:
361:
357:
353:
349:
345:
341:
338:derived from
337:
333:
329:
328:metamorphosed
325:
321:
316:
314:
310:
302:
301:oxide mineral
298:
290:
286:
282:
280:
276:
272:
270:
269:Birefringence
266:
254:
252:
248:
244:
240:
236:
234:
230:
226:
224:
220:
216:
214:
210:
206:
204:
200:
196:
191:
187:
179:
177:
173:
169:
167:
166:Crystal habit
163:
159:
155:
150:
144:
142:
138:
132:
129:
127:
123:
118:
107:
105:
104:Crystal class
101:
98:
95:
93:
89:
85:
83:
79:
75:
73:
69:
62:
56:
52:
49:
48:Oxide mineral
46:
42:
37:
30:
25:
20:
1097:expanding it
1086:
1063:
878:
810:(1): 95–100.
807:
803:
774:
770:
749:
745:
708:
704:
683:
679:
637:(16): 4341.
634:
630:
593:
589:
552:
548:
508:
504:
494:
469:
420:
416:
406:
384:hydrotalcite
348:carbonatites
336:serpentinite
317:
296:
295:
245:Uniaxial (-)
207:Sub-metallic
130:
1002:Lorenzenite
992:Grossmanite
987:Aenigmatite
960:Zirconolite
955:Zimbabweite
925:Haggertyite
905:Armalcolite
360:clinohumite
344:kimberlites
279:Pleochroism
223:Diaphaneity
180:Good on {10
126:Space group
1136:Categories
1048:Warwickite
997:Keilhauite
945:Perovskite
940:Latrappite
935:Keilhauite
879:Geikielite
777:(3): 713.
686:(7): 743.
596:(7): 441.
398:References
376:forsterite
372:serpentine
364:perovskite
332:limestones
297:Geikielite
288:References
237:3.79 - 4.2
190:Mohs scale
117:H-M symbol
72:IMA symbol
22:Geikielite
1038:Sabinaite
965:Zirkelite
950:Polycrase
447:235729616
141:Unit cell
1017:Titanite
1007:Melanite
930:Ilmenite
915:Euxenite
910:Betafite
874:Brookite
733:86861792
659:94170430
618:96095190
577:98522254
388:chlorite
368:diopside
313:trigonal
309:ilmenite
193:hardness
176:Cleavage
97:Trigonal
44:Category
869:Anatase
779:Bibcode
713:Bibcode
639:Bibcode
598:Bibcode
557:Bibcode
513:Bibcode
425:Bibcode
392:calcite
380:brucite
320:placers
86:4.CB.05
55:Formula
39:General
884:Rutile
862:Simple
731:
657:
616:
575:
505:Nature
445:
356:spinel
352:rutile
213:Streak
203:Luster
115:(same
1091:is a
1031:Other
893:Mixed
729:S2CID
655:S2CID
614:S2CID
573:S2CID
443:S2CID
342:, in
334:, in
197:5 - 6
157:Color
63:MgTiO
1093:stub
769:)".
390:and
346:and
787:doi
754:doi
721:doi
688:doi
647:doi
629:".
606:doi
565:doi
553:104
521:doi
433:doi
1138::
806:.
802:.
785:.
775:78
773:.
750:61
748:.
727:.
719:.
709:96
707:.
703:.
684:21
682:.
678:.
653:.
645:.
635:26
633:.
612:.
604:.
594:21
592:.
571:.
563:.
551:.
519:.
509:46
507:.
503:.
480:^
455:^
441:.
431:.
421:85
419:.
415:.
394:.
386:,
382:,
378:,
374:,
370:,
366:,
362:,
358:,
354:,
184:1}
112:)
76:Gk
1124:e
1117:t
1110:v
1099:.
1054:)
1050:(
1044:)
1040:(
838:e
831:t
824:v
808:9
793:.
789::
781::
767:3
760:.
756::
742:3
735:.
723::
715::
694:.
690::
674:3
670:3
661:.
649::
641::
627:3
620:.
608::
600::
586:3
579:.
567::
559::
529:.
523::
515::
449:.
435::
427::
305:3
261:ε
257:ω
255:n
182:1
134:3
131:R
119:)
110:3
65:3
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