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29:
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Massive – granular – common texture observed in granite and other igneous rock. pseudo octahedral – crystals show an octahedral outline.
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51:
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Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005).
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Anisotropism: Distinct, bireflectance: weak; O = light gray; E = dark gray.
446:
The type locality is
Oehrenstock (Öhrenstock), Ilmenau, Thuringian Forest,
1170:
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1101:
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920:
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232:
Uneven – flat surfaces (not cleavage) fractured in an uneven pattern.
956:
435:
crystals. Hausmannite is a brown to black metallic mineral with
755:
450:, where it was first described in 1813. Locations include
1271:
375:
manganese. Its chemical formula can be represented as
482:
where it is associated with other manganese oxides,
1153:
1125:
1022:
969:
893:
857:
848:
815:
792:
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50:
40:
35:
21:
16:Mixed oxide mineral of manganese II and III: Mn3O4
1291:
767:
8:
1298:
1284:
854:
774:
760:
752:
474:. High quality samples have been found in
641:
698:
696:
694:
419:
415:
404:
400:
393:
389:
382:
378:
90:
86:
78:
74:
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62:
608:
593:crystal on a matrix of hausmannite and
513:
502:(1782–1859), Professor of Mineralogy,
18:
663:
661:
7:
1248:
1246:
618:"IMA–CNMNC approved mineral symbols"
14:
285:Opaque, transparent on thin edges
135:Ditetragonal dipyramidal (4/mmm)
1250:
1226:
583:
552:
547:Crystal structure of hausmannite
540:
516:
500:Johann Friedrich Ludwig Hausmann
169:c = 9.46 Å; Z = 4
27:
490:and the iron-manganese mineral
1258:This article about a specific
1:
498:(1827) named it in honour of
1270:. You can help Knowledge by
1332:Minerals in space group 141
1353:
1317:Manganese(II,III) minerals
1245:
731:"Hausmannite Mineral Data"
386:, or more simply noted as
295:4.7 – 4.84, average = 4.76
1222:
729:Barthelmy, David (2014).
679:. Mineral Data Publishing
26:
192:Brownish black, grayish.
504:University of Göttingen
408:, as commonly done for
212:Repeated twins on {112}
677:Handbook of Mineralogy
622:Mineralogical Magazine
533:Northern Cape Province
423:), the corresponding
336:Other characteristics
109:Strunz classification
452:Batesville, Arkansas
427:. It belongs to the
1327:Tetragonal minerals
1233:Minerals portal
643:10.1180/mgm.2021.43
634:2021MinM...85..291W
616:Warr, L.N. (2021).
597:, coated by oyelite
571:manganese fields,
531:manganese fields,
448:Thuringia, Germany
300:Optical properties
275:Dark reddish brown
1279:
1278:
1240:
1239:
965:
964:
840:Manganoan calcite
523:Hausmannite from
496:Wilhelm Haidinger
350:
349:
1344:
1300:
1293:
1286:
1254:
1247:
1231:
1230:
1229:
1177:Manganese nodule
931:Manganotantalite
855:
776:
769:
762:
753:
746:
745:
743:
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613:
587:
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441:specific gravity
422:
407:
396:
385:
367:containing both
309:Refractive index
291:Specific gravity
252:
167:a = 5.76 Å
93:
81:
69:
57:
56:(repeating unit)
31:
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140:: (4/m 2/m 2/m)
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1193:Zincobotryogen
1190:
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1163:(borosilicate)
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954:
949:
944:
939:
938:(calvonigrite)
933:
928:
923:
918:
916:Ferrotantalite
913:
911:Ferrocolumbite
908:
903:
897:
895:
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735:Webmineral.com
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690:
657:
628:(3): 291–320.
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558:
551:
549:
546:
539:
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535:, South Africa
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468:Ural Mountains
454:, US; Ilfeld,
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174:Identification
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119:Crystal system
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32:
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23:
15:
13:
10:
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2:
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1337:Mineral stubs
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1136:
1133:
1132:
1130:
1128:
1124:
1118:
1117:Zircophyllite
1115:
1113:
1110:
1108:
1105:
1103:
1100:
1098:
1095:
1093:
1090:
1088:
1087:Pyroxferroite
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1068:
1065:
1063:
1062:Glaucochroite
1060:
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1040:
1038:
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1027:
1025:
1021:
1015:
1012:
1010:
1007:
1005:
1002:
1000:
997:
995:
992:
990:
989:Lithiophilite
987:
985:
982:
980:
977:
976:
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968:
958:
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953:
950:
948:
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904:
902:
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898:
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871:
868:
866:
863:
862:
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856:
853:
851:
847:
841:
838:
836:
835:Rhodochrosite
833:
831:
828:
826:
823:
822:
820:
818:
814:
808:
805:
803:
800:
799:
797:
795:
791:
787:
784:
777:
772:
770:
765:
763:
758:
757:
754:
736:
732:
725:
722:
711:
707:
706:
699:
697:
695:
691:
678:
671:
670:"Hausmannite"
664:
662:
658:
653:
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639:
635:
631:
627:
623:
619:
612:
609:
602:
596:
592:
586:
581:
578:
574:
573:Northern Cape
570:
566:
562:
559:Cluster from
555:
550:
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526:
519:
514:
510:Image gallery
509:
507:
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501:
497:
493:
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442:
439:of 5.5 and a
438:
437:Mohs hardness
434:
430:
426:
411:
374:
370:
366:
362:
358:
357:complex oxide
354:
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330:
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327:Birefringence
324:
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198:Crystal habit
195:
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183:
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139:
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131:Crystal class
128:
125:
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116:
112:
110:
106:
102:
100:
96:
59:
53:
49:
46:
45:Oxide mineral
43:
39:
34:
30:
25:
20:
1322:Spinel group
1272:expanding it
1257:
1242:
1224:
1067:Jeffersonite
1032:Babingtonite
994:Natrophilite
864:
738:. Retrieved
734:
724:
713:, retrieved
704:
681:. Retrieved
676:
625:
621:
611:
577:South Africa
561:Wessels mine
525:Wessels mine
476:South Africa
445:
429:spinel group
352:
351:
303:Uniaxial (−)
184:228.81 g/mol
180:Formula mass
150:
1215:(tungstate)
1112:Zakharovite
1097:Spessartine
1042:Brownleeite
1009:Triploidite
979:Childrenite
942:Romanèchite
936:Psilomelane
875:Manganosite
865:Hausmannite
830:Kutnohorite
705:Hausmannite
506:, Germany.
488:psilomelane
388:MnO·Mn
361:mixed oxide
353:Hausmannite
281:Diaphaneity
265:Submetallic
146:Space group
73:MnO·Mn
22:Hausmannite
1311:Categories
1264:mineraloid
1203:Wolframite
1145:Rambergite
1135:Alabandite
1082:Piemontite
1052:Chloritoid
1014:Zanazziite
984:Graftonite
971:Phosphates
952:Todorokite
901:Birnessite
885:Pyrolusite
817:Carbonates
710:Mindat.org
603:References
591:Ettringite
575:Province,
484:pyrolusite
466:; and the
433:tetragonal
431:and forms
425:iron oxide
373:tri-valent
344:References
248:Mohs scale
138:H-M symbol
124:Tetragonal
99:IMA symbol
1213:Hübnerite
1207:tungstate
1187:sulfosalt
1183:Samsonite
1179:(various)
1167:Geigerite
1107:Tephroite
1092:Rhodonite
1077:Ottrelite
1072:Knebelite
1057:Eudialyte
1047:Calderite
1024:Silicates
999:Purpurite
947:Tantalite
926:Jacobsite
870:Manganite
807:Tusionite
802:Sussexite
783:Manganese
652:235729616
410:magnetite
365:manganese
317:= 2.15, n
163:Unit cell
1171:arsenate
1140:Hauerite
1127:Sulfides
1102:Sugilite
1037:Braunite
1004:Triplite
921:Galaxite
906:Bixbyite
825:Ankerite
786:minerals
595:hematite
569:Kalahari
529:Kalahari
492:bixbyite
443:of 4.8.
331:δ = 0.31
251:hardness
238:Tenacity
228:Fracture
218:Cleavage
208:Twinning
41:Category
1260:mineral
1197:sulfate
1161:Axinite
880:Nsutite
794:Borates
630:Bibcode
565:Hotazel
480:Namibia
460:Langban
456:Germany
359:, or a
242:Brittle
222:Perfect
113:4.BB.10
52:Formula
36:General
858:Simple
850:Oxides
740:2 July
715:2 July
683:2 July
650:
472:Russia
464:Sweden
321:= 2.46
271:Streak
261:Luster
1266:is a
1154:Other
957:Umber
894:Mixed
673:(PDF)
648:S2CID
397:, or
363:, of
355:is a
189:Color
1268:stub
742:2022
717:2022
685:2022
486:and
478:and
377:MnMn
371:and
157:/amd
82:, or
61:MnMn
1262:or
638:doi
369:di-
255:5.5
103:Hsm
1313::
733:.
708:,
693:^
675:.
660:^
646:.
636:.
626:85
624:.
620:.
567:,
563:,
527:,
494:.
470:,
462:,
458:;
414:Fe
399:Mn
85:Mn
1299:e
1292:t
1285:v
1274:.
1209:)
1205:(
1199:)
1195:(
1189:)
1185:(
1173:)
1169:(
775:e
768:t
761:v
744:.
687:.
654:.
640::
632::
420:4
418:O
416:3
412:(
405:4
403:O
401:3
394:3
392:O
390:2
383:4
381:O
379:2
319:ω
315:ε
313:n
155:1
153:4
151:I
91:4
89:O
87:3
79:3
77:O
75:2
70:,
67:4
65:O
63:2
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