611:
635:
647:
40:
623:
579:
and delaying the alteration/transformation of the C-S-H phase (the "glue" phase in the hardened cement paste) into M-S-H phase (a non-cohesive mineral phase). The exact magnitude of impact that brucite has on cement paste is still debatable. Prolonged contact between
469:, Province Baluchistan, Pakistan. Brucite has also occurred from South Africa, Italy, Russia, Canada, and other localities as well, but the most notable discoveries are the US, Russian and Pakistani examples.
728:
1097:
Biricik, Hasan; Fevziye Aköz; Fikret Türker; Ilhan
Berktay (2000). "Resistance to magnesium sulfate and sodium sulfate attack of mortars containing wheat straw ash".
634:
551:). It also constitutes a significant source of magnesium for industry. Although generally deemed safe, brucite can be contaminated with naturally occurring
1076:
Wies aw, W; Kurdowski (September 2004). "The protective layer and decalcification of C-S-H in the mechanism of chloride corrosion of cement paste".
1008:
610:
826:
1152:
671:
433:
Brucite was first described in 1824 by François
Sulpice Beudant and named for the discoverer, American mineralogist,
89:
454:
434:
216:
926:
1157:
249:
1132:
1127:
1147:
1019:
925:
Malferrari, Daniele; Di
Guisseppe, Dario; Scognamiglio, Valentina; Gualtieri, Alessandro F. (2021).
588:
and concrete may induce durability issues for regularly immersed concrete components or structures.
116:
1039:"Observations on brucite formation and the role of brucite in Iowa highway concrete deterioration"
958:"Observations on brucite formation and the role of brucite in Iowa highway concrete deterioration"
458:
79:
927:"Commercial brucite, a worldwide used raw material deemed safe, can be contaminated by asbestos"
596:
153:
1038:
818:
206:
196:
1050:
969:
740:
646:
461:
of
Province Baluchistan, Pakistan. In a later discovery, brucite also occurred in the Bela
911:
8:
494:
333:
239:
229:
1054:
973:
744:
758:
592:
572:
486:
395:
186:
1110:
787:
640:
Brucite crystals from the
Sverdlovsk Region, Urals, Russia (size: 10.5 x 7.8 x 7.4 cm)
1142:
985:
822:
762:
1089:
1106:
1085:
1058:
977:
938:
907:
876:
810:
748:
666:
466:
383:
375:
277:
259:
62:
571:
are exposed to Mg, the neoformation of brucite, an expansive material, may induce
1137:
490:
478:
310:
1062:
981:
942:
524:
403:
368:
360:
99:
880:
1121:
1096:
989:
957:
297:
176:
111:
55:
622:
181:
Tabular crystals; platy or foliated masses and rosettes – fibrous to massive
924:
798:
457:. Yellow, white and blue brucite with a botryoidal habit was discovered in
442:
357:
1036:
1006:
956:
Lee, Hyomin; Cody, Robert D.; Cody, Anita M.; Spry, Paul G. (1 May 2002).
1009:"Effects of various deicing chemicals on pavement concrete deterioration"
676:
441:. It occurs in fibers or laths, usually elongated along , but sometimes
137:
753:
896:"The Fire Retardant Behaviour of Huntite and Hydromagnesite - A Review"
575:
in the hardened cement paste or may clog the porous network creating a
482:
453:
A notable location in the US is Wood's Chrome Mine, Cedar Hill Quarry,
415:
125:
775:
581:
493:
because it thermally decomposes to release water in a similar way to
462:
399:
391:
364:
349:
337:
865:"The Thermal Decomposition of Huntite and Hydromagnesite - A Review"
688:
599:
in concrete can also cause magnesium attack and should be avoided.
568:
552:
407:
341:
104:
20:
1037:
Lee, Hyomin; Robert D. Cody; Anita M. Cody; Paul G. Spry (2002).
1007:
Lee, Hyomin; Robert D. Cody; Anita M. Cody; Paul G. Spry (2000).
505:
387:
329:
39:
24:
864:
842:
895:
564:
379:
371:
353:
585:
411:
171:
White, pale green, blue, gray; honey-yellow to brownish red
558:
158:
a = 3.142(1) Å, c = 4.766(2) Å; Z = 1
425:-like structure with hydrogen-bonds between the layers.
1016:
477:
Synthetic brucite is mainly consumed as a precursor to
437:(1777–1818). A fibrous variety of brucite is called
893:
862:
809:
1119:
1075:
955:
382:. Brucite is often found in association with
472:
38:
752:
616:Yellow brucite from Balochistan, Pakistan
1043:Environmental and Engineering Geoscience
962:Environmental and Engineering Geoscience
559:Magnesium attack of cement and concrete
348:. It is a common alteration product of
1120:
912:10.1016/j.polymdegradstab.2010.08.019
792:
769:
729:"IMA–CNMNC approved mineral symbols"
726:
672:List of minerals named after people
13:
1000:
781:
14:
1169:
900:Polymer Degradation and Stability
894:Hollingbery, LA; Hull TR (2010).
863:Hollingbery, LA; Hull TR (2010).
645:
633:
621:
609:
1090:10.1016/j.cemconres.2004.03.023
949:
918:
887:
856:
835:
803:
720:
455:Lancaster County, Pennsylvania
1:
1111:10.1016/S0008-8846(00)00314-8
713:
448:
1099:Cement and Concrete Research
1078:Cement and Concrete Research
428:
336:, with the chemical formula
7:
1153:Minerals in space group 164
660:
16:Magnesium hydroxide mineral
10:
1174:
1063:10.2113/gseegeosci.8.2.137
982:10.2113/gseegeosci.8.2.137
602:
489:. It finds some use as a
18:
881:10.1016/j.tca.2010.06.012
815:Chemistry of the Elements
813:; Earnshaw, Alan (1997).
363:mineral in metamorphosed
316:
306:
296:
276:
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238:
228:
215:
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195:
185:
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167:
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152:
136:
110:
98:
88:
78:
61:
51:
46:
37:
32:
943:10.13133/2239-1002/17384
931:Periodico di Mineralogia
117:Hexagonal crystal family
19:Not to be confused with
473:Industrial applications
459:Qila Saifullah District
421:It adopts a layered CdI
788:Handbook of Mineralogy
733:Mineralogical Magazine
443:crystalline directions
819:Butterworth-Heinemann
811:Greenwood, Norman N.
799:Brucite on Webmineral
307:Other characteristics
90:Strunz classification
1158:Luminescent minerals
843:"Blog | GeoRarities"
374:; and formed during
356:; a low-temperature
1055:2002EEGeo...8..137L
974:2002EEGeo...8..137L
754:10.1180/mgm.2021.43
745:2021MinM...85..291W
727:Warr, L.N. (2021).
652:Structure of Mg(OH)
495:aluminium hydroxide
334:magnesium hydroxide
1133:Hydroxide minerals
1128:Magnesium minerals
869:Thermochimica Acta
504:) and mixtures of
269:Optical properties
234:Vitreous to pearly
1148:Trigonal minerals
1025:on March 20, 2009
906:(12): 2213–2225.
828:978-0-08-037941-8
573:mechanical stress
487:thermal insulator
323:
322:
191:Perfect on {0001}
1165:
1114:
1105:(8): 1189–1197.
1093:
1084:(9): 1555–1559.
1072:
1070:
1069:
1033:
1031:
1030:
1024:
1018:. Archived from
1013:
994:
993:
953:
947:
946:
922:
916:
915:
891:
885:
884:
860:
854:
853:
851:
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839:
833:
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817:(2nd ed.).
807:
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796:
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767:
766:
756:
724:
709:
685:
667:List of minerals
649:
637:
625:
613:
578:
577:buffering effect
550:
522:
503:
481:(MgO), a useful
467:Khuzdar District
376:serpentinization
278:Refractive index
260:Specific gravity
221:
147:
131:
122:
68:
67:(repeating unit)
42:
30:
29:
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1163:
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1118:
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1001:Further reading
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576:
561:
548:
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532:
528:
521:
517:
513:
509:
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498:
491:flame retardant
475:
451:
435:Archibald Bruce
431:
424:
347:
291:
287:
285:
219:
145:
129:
124:
120:
74:
66:
65:
28:
17:
12:
11:
5:
1171:
1161:
1160:
1155:
1150:
1145:
1140:
1135:
1130:
1116:
1115:
1094:
1073:
1049:(2): 137–145.
1034:
1002:
999:
996:
995:
968:(2): 137–145.
948:
937:(3): 317–324.
917:
886:
855:
834:
827:
802:
791:
780:
768:
739:(3): 291–320.
718:
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615:
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601:
560:
557:
546:
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538:
534:
530:
525:hydromagnesite
519:
515:
511:
500:
474:
471:
450:
447:
430:
427:
422:
404:hydromagnesite
345:
321:
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163:Identification
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114:
108:
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100:Crystal system
96:
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59:
58:
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44:
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15:
9:
6:
4:
3:
2:
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959:
952:
944:
940:
936:
932:
928:
921:
913:
909:
905:
901:
897:
890:
882:
878:
875:(1–2): 1–11.
874:
870:
866:
859:
844:
838:
830:
824:
820:
816:
812:
806:
800:
795:
789:
784:
778:on Mindat.org
777:
772:
764:
760:
755:
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746:
742:
738:
734:
730:
723:
719:
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664:
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631:
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619:
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309:
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301:
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298:Birefringence
295:
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177:Crystal habit
174:
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144:
141:
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127:
118:
115:
113:
112:Crystal class
109:
106:
103:
101:
97:
93:
91:
87:
83:
81:
77:
70:
64:
60:
57:
56:Oxide mineral
54:
50:
45:
41:
36:
31:
26:
22:
1102:
1098:
1081:
1077:
1066:. Retrieved
1046:
1042:
1027:. Retrieved
1020:the original
1015:
965:
961:
951:
934:
930:
920:
903:
899:
889:
872:
868:
858:
847:. Retrieved
845:. 2021-01-13
837:
814:
805:
794:
783:
771:
736:
732:
722:
590:
562:
476:
452:
438:
432:
420:
358:hydrothermal
325:
324:
311:Pyroelectric
272:Uniaxial (+)
264:2.39 to 2.40
142:
677:Portlandite
591:The use of
292:= 1.58–1.60
286:= 1.56–1.59
254:Transparent
250:Diaphaneity
138:Space group
1122:Categories
1068:2009-09-10
1029:2009-09-10
849:2021-06-02
714:References
483:refractory
449:Occurrence
416:chrysotile
384:serpentine
365:limestones
317:References
217:Mohs scale
126:H-M symbol
80:IMA symbol
990:1078-7275
763:235729616
597:aggregate
582:sea water
465:of Wadh,
463:Ophiolite
429:Discovery
400:magnesite
392:aragonite
350:periclase
201:Irregular
154:Unit cell
1143:Concrete
689:Cookeite
661:See also
628:Nemalite
593:dolomite
569:concrete
555:fibers.
553:asbestos
545:·4H
479:magnesia
439:nemalite
408:artinite
396:dolomite
369:chlorite
332:form of
224:2.5 to 3
220:hardness
207:Tenacity
197:Fracture
187:Cleavage
105:Trigonal
52:Category
21:Brushite
1051:Bibcode
970:Bibcode
776:Brucite
741:Bibcode
603:Gallery
506:huntite
388:calcite
380:dunites
372:schists
330:mineral
328:is the
326:Brucite
211:Sectile
94:4.FE.05
63:Formula
47:General
33:Brucite
25:Brucine
1138:Cement
988:
825:
761:
681:Ca(OH)
586:brines
565:cement
523:) and
499:Al(OH)
354:marble
240:Streak
230:Luster
71:Mg(OH)
1023:(PDF)
1012:(PDF)
759:S2CID
563:When
514:Ca(CO
244:White
168:Color
986:ISSN
823:ISBN
705:(OH)
701:Al)O
693:LiAl
541:(OH)
485:and
414:and
412:talc
367:and
361:vein
302:0.02
132:2/m)
1107:doi
1086:doi
1059:doi
978:doi
939:doi
908:doi
877:doi
873:509
749:doi
697:(Si
595:as
584:or
567:or
533:(CO
378:of
352:in
128:: (
84:Brc
23:or
1124::
1103:30
1101:.
1082:34
1080:.
1057:.
1045:.
1041:.
1014:.
984:.
976:.
964:.
960:.
935:90
933:.
929:.
904:95
902:.
898:.
871:.
867:.
821:.
757:.
747:.
737:85
735:.
731:.
703:10
691:,
679:,
529:Mg
510:Mg
445:.
418:.
410:,
406:,
402:,
398:,
394:,
390:,
386:,
342:OH
338:Mg
148:m1
123:m)
1113:.
1109::
1092:.
1088::
1071:.
1061::
1053::
1047:8
1032:.
992:.
980::
972::
966:8
945:.
941::
914:.
910::
883:.
879::
852:.
831:.
765:.
751::
743::
707:8
699:3
695:4
683:2
654:2
549:O
547:2
543:2
539:4
537:)
535:3
531:5
527:(
520:4
518:)
516:3
512:3
508:(
501:3
497:(
423:2
346:2
344:)
340:(
290:ε
288:n
284:ω
282:n
146:3
143:P
130:3
121:3
119:(
73:2
27:.
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