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Phlogopite

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1649: 466: 29: 447:, and other deeply sourced ultramafic or high-magnesian melts. In this association phlogopite can form well preserved megacrystic plates to 10 cm, and is present as the primary groundmass mineral, or in association with 390:
The occurrence of phlogopite mica within igneous rocks is difficult to constrain precisely because the primary control is rock composition as expected, but phlogopite is also controlled by conditions of
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Phlogopite is an important and relatively common end-member composition of biotite. Phlogopite micas are found primarily in igneous rocks, although it is also common in contact
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As the general thermal, electrical and mechanical properties of phlogopite are those of the mica family, the main uses of phlogopite are similar to these of
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and high-alumina basalts. Phlogopite is stable in basaltic compositions at high pressures and is often present as partially resorbed
364:. Iron substitutes for magnesium in variable amounts leading to the more common biotite with higher iron content. For physical and 744: 462:. Phlogopite in this association is a primary igneous mineral present because of the depth of melting and high vapor pressures. 702: 395:
such as temperature, pressure, and vapor content of the igneous rock. Several igneous associations are noted: high-alumina
1705: 502:. In some cases the phlogopite is considered to be produced by autogenic alteration during cooling. In other instances, 506:
has resulted in phlogopite formation within large volumes, as in the ultramafic massif at Finero, Italy, within the
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with magnesian country rocks and in marble formed from impure dolomite (dolomite with some siliclastic sediment).
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Phlogopite is often found in association with ultramafic intrusions as a secondary alteration phase within
1695: 1685: 1680: 432: 400: 1690: 324: 1675: 811: 510:. Trace phlogopite, again considered the result of metasomatism, is common within coarse-grained 84: 780: 199: 189: 609: 785: 8: 1710: 1210: 666: 232: 222: 613: 627: 179: 748: 521:, and so phlogopite appears to be a common trace mineral in the uppermost part of the 995: 850: 698: 631: 522: 499: 48: 617: 377: 270: 252: 169: 55: 719: 1653: 1614: 1394: 692: 477:) for scale. The phlogopites are the glittering minerals surrounded by the green 404: 392: 1439: 1070: 1055: 834: 416: 345: 154:
Brown, brownish red, dark brown, yellow, yellowish brown, green, white and gray
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The largest documented single crystal of phlogopite was found in Lacey mine,
280: 159: 116: 537:, the result of highly fluid-rich melt compositions within the deep mantle. 1609: 1452: 1447: 1248: 1157: 1143: 1123: 970: 534: 503: 431:
Phlogopite mica is a commonly known phenocryst and groundmass phase within
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identification, it has most of the characteristic properties of biotite.
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and weighed about 330 tonnes. Similar-sized crystals were also found in
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The basaltic occurrence of phlogopite is in association with
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Phlogopite bearing peridotite from Finero, Italy. Coin of 1
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Structural groups mainly; based on rruff.info/ima, modified
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Pearly, sometimes slightly metallic on cleavage surfaces
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Tabular, scaly masses, rarely perfect phenocryst tablets
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http://rruff.geo.arizona.edu/doclib/hom/phlogopite.pdf
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is a yellow, greenish, or reddish-brown member of the
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or an accessory phase in basalts generated at depth.
772:Deer, W.A., Howie, R.A., and Zussman, J., (1963). 275:nα = 1.530–1.573 nβ = 1.557–1.617 nγ = 1.558–1.618 525:. Phlogopite is encountered as a primary igneous 1667: 697:. GeoGuide. Springer International Publishing. 717: 819: 694:The Alnö Carbonatite Complex, Central Sweden 690: 426: 16:Member of the mica family of phyllosilicates 691:Kresten, Peter; Troll, Valentin R. (2018). 826: 812: 776:, v. 3, "Sheet silicates", p. 42–54. 621: 464: 410: 1668: 807: 348:series, with the chemical formula KMg 598:"IMA–CNMNC approved mineral symbols" 595: 833: 679:http://www.mindat.org/min-3193.html 489: 13: 766: 14: 1727: 1647: 745:"The giant crystal project site" 558: 27: 737: 711: 684: 672: 660: 649: 638: 589: 371: 1: 582: 337:Phlogopite is the magnesium 204:Tough, flexible thin laminae 7: 433:ultrapotassic igneous rocks 401:ultrapotassic igneous rocks 10: 1732: 1706:Minerals in space group 12 951:Fluorotetraferriphlogopite 544: 247:Transparent to translucent 1638: 1600: 1562: 1534: 1501: 1438: 1370: 1302: 1209: 1166: 1142: 1114: 841: 427:Ultrapotassic association 307: 299: 289: 279: 269: 261: 251: 241: 231: 221: 208: 198: 188: 178: 168: 158: 150: 145: 133: 115: 103: 93: 83: 54: 40: 35: 26: 21: 796:Encyclopædia Britannica 718:P. C. Rickwood (1981). 540: 926:Ferroaluminoceladonite 781:Spencer, Leonard James 720:"The largest crystals" 669:Handbook of Mineralogy 602:Mineralogical Magazine 567:, Canada; it measured 486: 327:. It is also known as 774:Rock-forming minerals 727:American Mineralogist 656:Phlogopite WebMineral 468: 300:Other characteristics 95:Strunz classification 1716:Luminescent minerals 569:10 m × 4.3 m × 4.3 m 411:Basaltic association 174:Composition twinning 1701:Monoclinic minerals 1654:Minerals portal 941:Fluorokinoshitalite 623:10.1180/mgm.2021.43 614:2021MinM...85..291W 596:Warr, L.N. (2021). 184:Perfect basal (001) 1696:Manganese minerals 1686:Magnesium minerals 1681:Potassium minerals 786:"Phlogopite"  500:layered intrusions 487: 265:Biaxial (−), 2V=12 262:Optical properties 1691:Iron(II) minerals 1663: 1662: 1153:Ferripyrophyllite 996:Manganiceladonite 851:Aluminoceladonite 704:978-3-319-90223-4 547:Micas § Uses 498:margins of large 314: 313: 129: 1723: 1652: 1651: 1650: 1086:Tetraferriannite 946:Fluorophlogopite 828: 821: 814: 805: 804: 800: 788: 760: 759: 757: 756: 747:. Archived from 741: 735: 734: 724: 715: 709: 708: 688: 682: 676: 670: 664: 658: 653: 647: 642: 636: 635: 625: 593: 570: 490:Ultramafic rocks 405:ultramafic rocks 285:δ =0.0280–0.0450 271:Refractive index 253:Specific gravity 214: 123: 121:Prismatic (2/m) 61: 60:(repeating unit) 31: 19: 18: 1731: 1730: 1726: 1725: 1724: 1722: 1721: 1720: 1676:Phyllosilicates 1666: 1665: 1664: 1659: 1648: 1646: 1634: 1615:Franklinphilite 1596: 1558: 1530: 1497: 1434: 1395:Montmorillonite 1366: 1298: 1205: 1162: 1138: 1110: 931:Ferroceladonite 837: 835:Phyllosilicates 832: 769: 767:Further reading 764: 763: 754: 752: 743: 742: 738: 722: 716: 712: 705: 689: 685: 677: 673: 665: 661: 654: 650: 645:Mineralienatlas 643: 639: 594: 590: 585: 568: 561: 549: 543: 492: 429: 417:picrite basalts 413: 393:crystallisation 374: 363: 359: 355: 351: 325:phyllosilicates 212: 122: 79: 75: 71: 67: 59: 58: 49:phyllosilicates 17: 12: 11: 5: 1729: 1719: 1718: 1713: 1708: 1703: 1698: 1693: 1688: 1683: 1678: 1661: 1660: 1658: 1657: 1643: 1639: 1636: 1635: 1633: 1632: 1627: 1622: 1620:Lennilenapeite 1617: 1612: 1606: 1604: 1602:Stilpnomelanes 1598: 1597: 1595: 1594: 1589: 1584: 1579: 1574: 1568: 1566: 1560: 1559: 1557: 1556: 1551: 1549:Ferrisepiolite 1546: 1540: 1538: 1532: 1531: 1529: 1528: 1523: 1518: 1513: 1507: 1505: 1499: 1498: 1496: 1495: 1490: 1485: 1480: 1475: 1470: 1465: 1460: 1455: 1450: 1444: 1442: 1436: 1435: 1433: 1432: 1427: 1422: 1417: 1412: 1407: 1402: 1397: 1392: 1387: 1381: 1379: 1368: 1367: 1365: 1364: 1359: 1354: 1349: 1344: 1339: 1334: 1329: 1324: 1319: 1317:Brinrobertsite 1314: 1308: 1306: 1300: 1299: 1297: 1296: 1291: 1286: 1281: 1276: 1271: 1266: 1261: 1256: 1251: 1246: 1241: 1236: 1231: 1226: 1221: 1215: 1213: 1207: 1206: 1204: 1203: 1198: 1193: 1188: 1183: 1178: 1176:Bismutoferrite 1172: 1170: 1164: 1163: 1161: 1160: 1155: 1149: 1147: 1140: 1139: 1137: 1136: 1131: 1126: 1120: 1118: 1112: 1111: 1109: 1108: 1106:Yangzhumingite 1103: 1098: 1093: 1088: 1083: 1078: 1073: 1071:Siderophyllite 1068: 1063: 1058: 1056:Polylithionite 1053: 1048: 1043: 1038: 1033: 1028: 1023: 1018: 1013: 1008: 1003: 998: 993: 988: 983: 978: 973: 968: 963: 958: 953: 948: 943: 938: 933: 928: 923: 918: 913: 908: 903: 898: 893: 888: 883: 878: 873: 868: 863: 858: 853: 847: 845: 839: 838: 831: 830: 823: 816: 808: 802: 801: 791:Chisholm, Hugh 777: 768: 765: 762: 761: 736: 710: 703: 683: 671: 659: 648: 637: 608:(3): 291–320. 587: 586: 584: 581: 560: 557: 542: 539: 523:Earth's mantle 517:carried up by 491: 488: 428: 425: 412: 409: 373: 370: 361: 357: 353: 349: 346:solid solution 312: 311: 309: 305: 304: 301: 297: 296: 293: 287: 286: 283: 277: 276: 273: 267: 266: 263: 259: 258: 255: 249: 248: 245: 239: 238: 235: 229: 228: 225: 219: 218: 215: 206: 205: 202: 196: 195: 192: 186: 185: 182: 176: 175: 172: 166: 165: 162: 156: 155: 152: 148: 147: 146:Identification 143: 142: 137: 131: 130: 119: 113: 112: 107: 105:Crystal system 101: 100: 97: 91: 90: 87: 81: 80: 77: 73: 69: 65: 62: 52: 51: 42: 38: 37: 33: 32: 24: 23: 15: 9: 6: 4: 3: 2: 1728: 1717: 1714: 1712: 1709: 1707: 1704: 1702: 1699: 1697: 1694: 1692: 1689: 1687: 1684: 1682: 1679: 1677: 1674: 1673: 1671: 1656: 1655: 1644: 1641: 1640: 1637: 1631: 1630:Stilpnomelane 1628: 1626: 1625:Parsettensite 1623: 1621: 1618: 1616: 1613: 1611: 1608: 1607: 1605: 1603: 1599: 1593: 1590: 1588: 1585: 1583: 1580: 1578: 1575: 1573: 1570: 1569: 1567: 1565: 1561: 1555: 1552: 1550: 1547: 1545: 1542: 1541: 1539: 1537: 1533: 1527: 1524: 1522: 1519: 1517: 1514: 1512: 1509: 1508: 1506: 1504: 1500: 1494: 1491: 1489: 1486: 1484: 1481: 1479: 1476: 1474: 1471: 1469: 1466: 1464: 1461: 1459: 1456: 1454: 1451: 1449: 1446: 1445: 1443: 1441: 1437: 1431: 1428: 1426: 1423: 1421: 1418: 1416: 1413: 1411: 1408: 1406: 1403: 1401: 1398: 1396: 1393: 1391: 1390:Ferrosaponite 1388: 1386: 1383: 1382: 1380: 1377: 1373: 1369: 1363: 1360: 1358: 1355: 1353: 1350: 1348: 1347:Lunijianlaite 1345: 1343: 1340: 1338: 1335: 1333: 1330: 1328: 1325: 1323: 1320: 1318: 1315: 1313: 1310: 1309: 1307: 1305: 1301: 1295: 1292: 1290: 1287: 1285: 1282: 1280: 1277: 1275: 1272: 1270: 1267: 1265: 1262: 1260: 1257: 1255: 1252: 1250: 1247: 1245: 1242: 1240: 1237: 1235: 1232: 1230: 1227: 1225: 1222: 1220: 1217: 1216: 1214: 1212: 1208: 1202: 1199: 1197: 1194: 1192: 1189: 1187: 1184: 1182: 1179: 1177: 1174: 1173: 1171: 1169: 1165: 1159: 1156: 1154: 1151: 1150: 1148: 1145: 1141: 1135: 1132: 1130: 1127: 1125: 1122: 1121: 1119: 1117: 1113: 1107: 1104: 1102: 1099: 1097: 1094: 1092: 1091:Trilithionite 1089: 1087: 1084: 1082: 1079: 1077: 1074: 1072: 1069: 1067: 1064: 1062: 1059: 1057: 1054: 1052: 1049: 1047: 1044: 1042: 1039: 1037: 1036:Oxyphlogopite 1034: 1032: 1029: 1027: 1024: 1022: 1019: 1017: 1014: 1012: 1009: 1007: 1004: 1002: 999: 997: 994: 992: 991:Luanshiweiite 989: 987: 984: 982: 981:Kinoshitalite 979: 977: 974: 972: 969: 967: 964: 962: 959: 957: 954: 952: 949: 947: 944: 942: 939: 937: 934: 932: 929: 927: 924: 922: 919: 917: 914: 912: 909: 907: 906:Chromphyllite 904: 902: 899: 897: 894: 892: 889: 887: 886:Boromuscovite 884: 882: 879: 877: 874: 872: 869: 867: 864: 862: 859: 857: 854: 852: 849: 848: 846: 844: 840: 836: 829: 824: 822: 817: 815: 810: 809: 806: 798: 797: 792: 787: 782: 778: 775: 771: 770: 751:on 2009-06-04 750: 746: 740: 732: 728: 721: 714: 706: 700: 696: 695: 687: 680: 675: 668: 663: 657: 652: 646: 641: 633: 629: 624: 619: 615: 611: 607: 603: 599: 592: 588: 580: 578: 574: 566: 559:Miscellaneous 556: 554: 548: 538: 536: 532: 528: 524: 520: 516: 513: 509: 505: 501: 497: 484: 480: 476: 473:(diameter 23 472: 467: 463: 461: 457: 453: 450: 446: 442: 438: 434: 424: 422: 418: 408: 406: 402: 398: 394: 388: 386: 385:igneous rocks 383: 379: 369: 367: 347: 344: 340: 335: 333: 331: 326: 322: 318: 310: 306: 302: 298: 294: 292: 288: 284: 282: 281:Birefringence 278: 274: 272: 268: 264: 260: 256: 254: 250: 246: 244: 240: 236: 234: 230: 226: 224: 220: 216: 211: 207: 203: 201: 197: 193: 191: 187: 183: 181: 177: 173: 171: 167: 163: 161: 160:Crystal habit 157: 153: 149: 144: 141: 138: 136: 132: 127: 120: 118: 117:Crystal class 114: 111: 108: 106: 102: 98: 96: 92: 88: 86: 82: 63: 57: 53: 50: 46: 43: 39: 34: 30: 25: 20: 1645: 1610:Bannisterite 1564:Pyrosmalites 1453:Borocookeite 1448:Baileychlore 1430:Yakhontovite 1425:Volkonskoite 1415:Swinefordite 1332:Hydrobiotite 1249:Cronstedtite 1158:Pyrophyllite 1144:Pyrophyllite 1124:Minnesotaite 1061:Preiswerkite 1050: 1006:Masutomilite 971:Hendricksite 794: 773: 753:. Retrieved 749:the original 739: 730: 726: 713: 693: 686: 674: 662: 651: 640: 605: 601: 591: 562: 550: 535:lamprophyres 504:metasomatism 493: 430: 414: 389: 380:aureoles of 375: 336: 328: 316: 315: 139: 1592:Schallerite 1587:Pyrosmalite 1544:Falcondoite 1516:Chrysocolla 1463:Clinochlore 1420:Vermiculite 1376:vermiculite 1337:Karpinskite 1304:Corrensites 1279:Manandonite 1264:Guidottiite 1254:Fraipontite 1239:Caryopilite 1234:Brindleyite 1229:Berthierine 1211:Serpentines 1191:Hisingerite 1134:Willemseite 1096:Voloshinite 966:Gorbunovite 936:Fluorannite 901:Chernykhite 871:Balestraite 496:metasomatic 471:Swiss franc 437:lamprophyre 421:phenocrysts 378:metamorphic 372:Paragenesis 303:Fluorescent 243:Diaphaneity 135:Space group 1711:Mica group 1670:Categories 1572:Friedelite 1536:Sepiolites 1503:Allophanes 1488:Pennantite 1473:Donbassite 1400:Nontronite 1385:Beidellite 1322:Corrensite 1259:Greenalite 1244:Chrysotile 1224:Antigorite 1186:Halloysite 1168:Kaolinites 1081:Tainiolite 1066:Roscoelite 1051:Phlogopite 1041:Paragonite 1026:Norrishite 1021:Nanpingite 1011:Montdorite 986:Lepidolite 961:Glauconite 911:Clintonite 896:Celadonite 891:Bramallite 866:Aspidolite 755:2009-06-06 733:: 885–907. 583:References 545:See also: 531:lamproites 527:phenocryst 519:kimberlite 512:peridotite 508:Ivrea zone 479:groundmass 441:kimberlite 323:family of 317:Phlogopite 308:References 210:Mohs scale 126:H-M symbol 110:Monoclinic 85:IMA symbol 22:Phlogopite 1577:Mcgillite 1554:Sepiolite 1526:Neotocite 1521:Imogolite 1511:Allophane 1478:Gonyerite 1458:Chamosite 1440:Chlorites 1410:Sauconite 1372:Smectites 1357:Saliotite 1352:Rectorite 1312:Aliettite 1294:Pecoraite 1274:Lizardite 1196:Kaolinite 1076:Suhailite 1016:Muscovite 1001:Margarite 916:Eastonite 632:235729616 553:muscovite 515:xenoliths 452:amphibole 449:pargasite 445:lamproite 382:intrusive 339:endmember 330:magnesium 257:2.78–2.85 1582:Nelenite 1468:Cookeite 1405:Saponite 1362:Tosudite 1342:Kulkeite 1284:Népouite 1269:Kellyite 1101:Wonesite 1046:Phengite 1031:Orlovite 921:Ephesite 856:Anandite 783:(1911). 460:pyroxene 435:such as 291:2V angle 213:hardness 200:Tenacity 190:Fracture 180:Cleavage 170:Twinning 41:Category 1493:Sudoite 1327:Dozyite 1289:Odinite 1219:Amesite 1201:Nacrite 1181:Dickite 956:Garmite 881:Biotite 876:Bityite 793:(ed.). 610:Bibcode 573:Karelia 565:Ontario 529:within 483:olivine 456:olivine 397:basalts 366:optical 343:biotite 341:of the 99:9.EC.20 76:)(F,OH) 56:Formula 36:General 1483:Nimite 1378:family 1146:series 976:Illite 861:Annite 701:  681:Mindat 630:  577:Russia 458:, and 403:, and 360:(F,OH) 295:16–20° 233:Streak 223:Luster 124:(same 1116:Talcs 843:Micas 789:. In 723:(PDF) 628:S2CID 237:White 217:2–2.5 151:Color 68:(AlSi 1374:and 1129:Talc 699:ISBN 541:Uses 533:and 352:AlSi 332:mica 321:mica 194:None 140:C2/m 45:Mica 618:doi 481:of 89:Phl 64:KMg 1672:: 731:66 729:. 725:. 626:. 616:. 606:85 604:. 600:. 579:. 575:, 555:. 475:mm 454:, 443:, 439:, 407:. 399:, 358:10 334:. 74:10 47:, 827:e 820:t 813:v 758:. 707:. 634:. 620:: 612:: 485:. 362:2 356:O 354:3 350:3 128:) 78:2 72:O 70:3 66:3

Index


Mica
phyllosilicates
Formula
IMA symbol
Strunz classification
Crystal system
Monoclinic
Crystal class
H-M symbol
Space group
Crystal habit
Twinning
Cleavage
Fracture
Tenacity
Mohs scale
Luster
Streak
Diaphaneity
Specific gravity
Refractive index
Birefringence
2V angle
mica
phyllosilicates
magnesium
endmember
biotite
solid solution

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