Knowledge (XXG)

Periclase

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McWilliams, R. Stewart; Spaulding, Dylan K.; Eggert, Jon H.; Celliers, Peter M.; Hicks, Damien G.; Smith, Raymond F.; Collins, Gilbert W.; Jeanloz, Raymond (7 December 2012). "Phase Transformations and Metallization of Magnesium Oxide at High Pressure and Temperature".
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and has been studied extensively due to its simplicity. As a consequence, the physical properties of periclase are well known, which makes the mineral a popular standard in experimental work. The mineral has been shown to remain stable at pressures up to at least
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Lin, Jung-Fu; Vankó, György; Jacobsen, Steven D.; Iota, Valentin; Struzhkin, Viktor V.; Prakapenka, Vitali B.; Kuznetsov, Alexei; Yo, Choong-Shik (21 September 2007). "Spin transition zone in Earth's lower mantle".
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It was first described in 1840 and named from the Greek περικλάω (to break around) in allusion to its cleavage. The
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of the Earth, which makes it the second most abundant mineral phase in that region after silicate
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Researchers locate mantle’s spin transition zone, leading to clues about earth’s structure
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Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005).
436: 17: 636:. In the literature, this mineral phase of the lower mantle is also often called 601:; it also is the major host for iron in the lower mantle. At the bottom of the 191:
Granular, generally occurs as anhedral to subhedral octahedral crystals in matrix
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in antiquity, with their unusual magnetic properties were the reason the terms
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Colorless, grayish white, yellow, brownish yellow, green, black
201:{001} perfect; {111} imperfect, may exhibit parting on {011} 513:, Russia. In the US it occurs at the Crestmore quarry, 453:
In addition to its type locality, it is reported from
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into a mixture of perovskite and ferropericlase and
304: 296: 286: 278: 268: 258: 248: 238: 225: 215: 205: 195: 185: 177: 172: 158: 141: 118: 106: 96: 86: 72: 62: 57: 32: 44:White to light greenish periclase with black 8: 400:contained both magnesium oxide and hydrated 715: 713: 682: 761: 759: 757: 620: 616: 612: 597: 587:makes up about 20% of the volume of the 783: 781: 649: 327:and is a major component of most basic 29: 7: 659:"IMA–CNMNC approved mineral symbols" 564:of periclase corresponds to that of 300:Fluorescent, long UV=light yellow. 52:, Germany (Picture size 5 mm) 25: 354:(FeO) and is then referred to as 320:mineral that occurs naturally in 27:Rocksalt, magnesium oxide mineral 388:The old term for the mineral is 346:). In nature it usually forms a 38: 450:under near surface conditions. 431:Periclase is usually found in 274:3.56–3.68 (meas.) 3.58 (calc.) 1: 412:). Thus these stones, called 750:Periclase data on Webmineral 605:of the mantle, the reaction 515:Riverside County, California 951:Minerals in space group 225 977: 264:Transparent to translucent 731:. Mineral Data Publishing 467:Carlingford, County Louth 37: 882:10.1126/science.1144997 830:10.1126/science.1229450 446:. It readily alters to 729:Handbook of Mineralogy 663:Mineralogical Magazine 297:Other characteristics 98:Strunz classification 956:Luminescent minerals 414:Stones from Magnesia 358:or magnesiowüstite. 50:Ronneburg, Thuringia 874:2007Sci...317.1740L 868:(5845): 1740–1743. 822:2012Sci...338.1330M 816:(6112): 1330–1333. 684:10.1180/mgm.2021.43 675:2021MinM...85..291W 657:Warr, L.N. (2021). 619:] ↔ (Mg,Fe)[SiO 489:district, Germany; 402:magnesium carbonate 936:Magnesium minerals 916:2010-05-27 at the 527:Nye County, Nevada 519:Tombstone, Arizona 483:Bellerberg Volcano 473:and the island of 396:region in ancient 392:. Stones from the 279:Optical properties 18:Magnesia (mineral) 577:Mantle occurrence 562:crystal structure 325:metamorphic rocks 311: 310: 168:; Z = 4 16:(Redirected from 968: 920: 908: 902: 901: 856: 850: 849: 804: 798: 797: 785: 776: 775: 763: 752: 747: 741: 740: 738: 736: 726: 717: 708: 703: 697: 696: 686: 654: 624: 600: 586: 331:bricks. It is a 288:Refractive index 270:Specific gravity 231: 153: 136: 127: 124:Hexoctahedral (m 79: 78:(repeating unit) 42: 30: 21: 976: 975: 971: 970: 969: 967: 966: 965: 926: 925: 924: 923: 918:Wayback Machine 909: 905: 858: 857: 853: 806: 805: 801: 787: 786: 779: 765: 764: 755: 748: 744: 734: 732: 724: 719: 718: 711: 706:Mineralienatlas 704: 700: 656: 655: 651: 646: 638:magnesiowüstite 622: 618: 614: 610: 603:transition zone 599: 595: 584: 579: 555:South Australia 533:, it occurs at 471:Broadford, Skye 375:Naples Province 337:magnesium oxide 292:n = 1.735–1.745 229: 151: 134: 129: 125: 77: 76: 53: 28: 23: 22: 15: 12: 11: 5: 974: 972: 964: 963: 961:Rocksalt group 958: 953: 948: 946:Cubic minerals 943: 941:Oxide minerals 938: 928: 927: 922: 921: 903: 851: 799: 790:Ferropericlase 777: 753: 742: 709: 698: 669:(3): 291–320. 648: 647: 645: 642: 626: 625: 582:Ferropericlase 578: 575: 551:Eyre Peninsula 511:Ural Mountains 356:ferropericlase 348:solid solution 309: 308: 306: 302: 301: 298: 294: 293: 290: 284: 283: 280: 276: 275: 272: 266: 265: 262: 256: 255: 252: 246: 245: 242: 236: 235: 232: 223: 222: 219: 213: 212: 209: 203: 202: 199: 193: 192: 189: 183: 182: 179: 175: 174: 173:Identification 170: 169: 162: 156: 155: 145: 139: 138: 122: 116: 115: 110: 108:Crystal system 104: 103: 100: 94: 93: 90: 84: 83: 80: 70: 69: 67:Oxide minerals 64: 60: 59: 55: 54: 46:srebrodolskite 43: 35: 34: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 973: 962: 959: 957: 954: 952: 949: 947: 944: 942: 939: 937: 934: 933: 931: 919: 915: 912: 907: 904: 899: 895: 891: 887: 883: 879: 875: 871: 867: 863: 855: 852: 847: 843: 839: 835: 831: 827: 823: 819: 815: 811: 803: 800: 796: 792: 791: 784: 782: 778: 774: 770: 769: 762: 760: 758: 754: 751: 746: 743: 730: 723: 716: 714: 710: 707: 702: 699: 694: 690: 685: 680: 676: 672: 668: 664: 660: 653: 650: 643: 641: 639: 635: 631: 608: 607: 606: 604: 594: 590: 583: 576: 574: 572: 567: 563: 558: 556: 552: 548: 544: 540: 536: 532: 528: 524: 520: 516: 512: 508: 504: 500: 496: 492: 488: 484: 481:, Spain; the 480: 476: 472: 468: 464: 460: 456: 451: 449: 445: 442: 438: 434: 429: 428:were coined. 427: 426: 421: 420: 415: 411: 407: 403: 399: 395: 391: 386: 384: 380: 376: 372: 368: 364: 363:type locality 359: 357: 353: 349: 345: 342: 338: 334: 330: 326: 323: 319: 315: 307: 303: 299: 295: 291: 289: 285: 281: 277: 273: 271: 267: 263: 261: 257: 253: 251: 247: 243: 241: 237: 233: 228: 224: 220: 218: 214: 210: 208: 204: 200: 198: 194: 190: 188: 187:Crystal habit 184: 180: 176: 171: 167: 163: 161: 157: 149: 146: 144: 140: 132: 123: 121: 120:Crystal class 117: 114: 111: 109: 105: 101: 99: 95: 91: 89: 85: 81: 75: 71: 68: 65: 61: 56: 51: 47: 41: 36: 31: 19: 906: 865: 861: 854: 813: 809: 802: 789: 767: 745: 733:. Retrieved 728: 701: 666: 662: 652: 633: 627: 623:] + (Mg,Fe)O 589:lower mantle 580: 559: 477:, Scotland; 452: 437:metamorphism 435:produced by 430: 423: 417: 413: 389: 387: 360: 313: 312: 147: 722:"Periclase" 628:transforms 509:, southern 469:, Ireland; 406:iron oxides 404:as well as 367:Monte Somma 260:Diaphaneity 143:Space group 930:Categories 795:Mindat.org 773:Mindat.org 644:References 634:vice versa 596:(Mg,Fe)SiO 593:perovskite 545:, west of 525:district, 444:limestones 329:refractory 305:References 227:Mohs scale 211:Conchoidal 164:4.21  131:H-M symbol 88:IMA symbol 768:Periclase 693:235729616 630:γ-olivine 569:360  543:Australia 441:dolomitic 425:magnetism 410:magnetite 408:(such as 373:Complex, 318:magnesium 314:Periclase 282:Isotropic 160:Unit cell 113:Isometric 33:Periclase 914:Archived 898:43215223 890:17885134 846:42129866 838:23180773 735:14 March 615:[SiO 609:γ– 585:(Mg,Fe)O 499:Varmland 491:Nordmark 459:Trentino 455:Predazzo 398:Anatolia 394:Magnesia 390:magnesia 379:Campania 371:Vesuvius 369:, Somma- 335:form of 244:Vitreous 230:hardness 217:Tenacity 207:Fracture 197:Cleavage 63:Category 870:Bibcode 862:Science 818:Bibcode 810:Science 671:Bibcode 611:(Mg,Fe) 541:and in 507:Kopeysk 495:Långban 448:brucite 352:wüstite 322:contact 221:Brittle 133:: (4/m 102:4.AB.25 74:Formula 58:General 896:  888:  844:  836:  691:  566:halite 547:Cowell 539:Quebec 531:Canada 505:; and 503:Sweden 433:marble 419:magnet 250:Streak 240:Luster 894:S2CID 842:S2CID 725:(PDF) 689:S2CID 529:. In 523:Gabbs 487:Eifel 463:Italy 383:Italy 350:with 333:cubic 316:is a 254:White 178:Color 48:from 886:PMID 834:PMID 737:2022 560:The 493:and 479:León 475:Muck 422:and 137:2/m) 878:doi 866:317 826:doi 814:338 679:doi 571:GPa 535:Oka 439:of 365:is 92:Per 82:MgO 932:: 892:. 884:. 876:. 864:. 840:. 832:. 824:. 812:. 793:, 780:^ 771:, 756:^ 727:. 712:^ 687:. 677:. 667:85 665:. 661:. 640:. 573:. 557:. 553:, 549:, 537:, 521:; 517:; 501:, 497:, 485:, 465:; 461:, 457:, 385:. 381:, 377:, 341:Mg 128:m) 900:. 880:: 872:: 848:. 828:: 820:: 739:. 695:. 681:: 673:: 621:3 617:4 613:2 598:3 344:O 339:( 234:6 166:Å 154:m 152:3 150:m 148:F 135:3 126:3 20:)

Index

Magnesia (mineral)

srebrodolskite
Ronneburg, Thuringia
Oxide minerals
Formula
IMA symbol
Strunz classification
Crystal system
Isometric
Crystal class
H-M symbol
Space group
Unit cell
Å
Crystal habit
Cleavage
Fracture
Tenacity
Mohs scale
Luster
Streak
Diaphaneity
Specific gravity
Refractive index
magnesium
contact
metamorphic rocks
refractory
cubic

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