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Microlite

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Andrade, M. B., Atencio, D., Menezes Filho, L. A., & Ellena, J. (2011). The crystal structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Redondo mine, Coronel Murta, Minas Gerais, Brazil (vol 49, pg 615, 2011). Canadian Mineralogist, 49(5),
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Atencio, D., Andrade, M. B., Christy, A. G., Gieré, R., & Kartashov, P. M. (2010). The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist, 48(3), 673–698.
356: 252:. Today it is a name of a group of oxide minerals of a similar stoichiometry having tantalum prevailing over titanium and niobium. The microlite group belongs to a large 456: 451: 545: 579: 54: 584: 76: 159: 538: 327: 589: 432: 531: 47: 41: 569: 58: 574: 564: 149: 213: 368: 322:"Microlite" was first described in 1835 for an occurrence on the Island of Uto, State of Stockholm, 426: 386: 284: 515: 376: 277: 269: 121: 272:
of 4.2 to 6.4. It occurs as disseminated microscopic subtranslucent to opaque octahedral
405: 372: 169: 114: 283:"Microlite" occurs as a primary mineral in lithium-bearing granite pegmatites, and in 558: 511: 390: 265: 404:
Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (eds.).
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of 2.0 to 2.2. Microlite is also called djalmaite, but both names are now obsolete.
308: 179: 98: 326:. Another occurrence of microlite is the Clark Ledges pegmatite, Chesterfield, 488: 304: 292: 253: 21: 17: 462: 312: 257: 482: 316: 233: 226: 16:
This article is about the mineral. For crystals in solidifying lava, see
381: 273: 223: 216: 323: 288: 220: 300: 296: 229: 413:. Chantilly, VA 20151-1110, USA: Mineralogical Society of America 261: 26: 212:
was once known as a pale-yellow, reddish-brown, or black
519: 200: 195: 178: 168: 158: 148: 120: 110: 105: 91: 20:. For lightweight, slow-flying aeroplanes, see 494:Palache, C., H. Berman, and C. Frondel (1944) 539: 8: 287:in granites. Association minerals include: 546: 532: 380: 77:Learn how and when to remove this message 247: 243: 239: 140: 136: 132: 40:This article includes a list of general 347: 424: 88: 7: 507: 505: 357:"IMA–CNMNC approved mineral symbols" 518:. You can help Knowledge (XXG) by 46:it lacks sufficient corresponding 14: 97: 31: 328:Hampshire County, Massachusetts 510:This article about a specific 498:, (7th edition), v. I, 748–757 1: 580:Minerals in space group 227 496:Dana’s system of mineralogy 606: 585:Minerals described in 1835 504: 256:supergroup that occurs in 236:. Its chemical formula is 15: 461:Barthelmy, David (2014). 330:. The name is from Greek 96: 463:"Microlite Mineral Data" 431:: CS1 maint: location ( 232:with a small amount of 61:more precise citations. 407:Handbook of Mineralogy 361:Mineralogical Magazine 268:of 5.5 and a variable 264:of tantalum. It has a 160:Strunz classification 590:Oxide mineral stubs 467:Mineralogy Database 382:10.1180/mgm.2021.43 373:2021MinM...85..291W 355:Warr, L.N. (2021). 285:miarolitic cavities 260:and constitutes an 444:Additional reading 570:Tantalum minerals 527: 526: 207: 206: 87: 86: 79: 597: 548: 541: 534: 506: 491: 478: 476: 474: 469:. Webmineral.com 437: 436: 430: 422: 420: 418: 412: 401: 395: 394: 384: 352: 334:for "small" and 278:refractive index 270:specific gravity 251: 188: 144: 127: 126:(repeating unit) 101: 89: 82: 75: 71: 68: 62: 57:this article by 48:inline citations 35: 34: 27: 605: 604: 600: 599: 598: 596: 595: 594: 555: 554: 553: 552: 502: 481: 472: 470: 460: 446: 441: 440: 423: 416: 414: 410: 403: 402: 398: 354: 353: 349: 344: 249: 245: 241: 237: 186: 142: 138: 134: 130: 125: 124: 83: 72: 66: 63: 53:Please help to 52: 36: 32: 25: 12: 11: 5: 603: 601: 593: 592: 587: 582: 577: 575:Cubic minerals 572: 567: 565:Oxide minerals 557: 556: 551: 550: 543: 536: 528: 525: 524: 500: 499: 492: 479: 458: 453: 445: 442: 439: 438: 396: 367:(3): 291–320. 346: 345: 343: 340: 205: 204: 202: 198: 197: 196:Identification 193: 192: 182: 176: 175: 172: 170:Crystal system 166: 165: 162: 156: 155: 152: 146: 145: 128: 118: 117: 115:Oxide minerals 112: 108: 107: 103: 102: 94: 93: 85: 84: 39: 37: 30: 13: 10: 9: 6: 4: 3: 2: 602: 591: 588: 586: 583: 581: 578: 576: 573: 571: 568: 566: 563: 562: 560: 549: 544: 542: 537: 535: 530: 529: 523: 521: 517: 513: 512:oxide mineral 508: 503: 497: 493: 490: 486: 485: 480: 468: 464: 459: 457: 454: 452: 448: 447: 443: 434: 428: 409: 408: 400: 397: 392: 388: 383: 378: 374: 370: 366: 362: 358: 351: 348: 341: 339: 338:for "stone". 337: 333: 329: 325: 320: 318: 314: 310: 306: 302: 298: 294: 290: 286: 281: 279: 275: 271: 267: 266:Mohs hardness 263: 259: 255: 235: 231: 228: 225: 222: 218: 215: 211: 203: 199: 194: 190: 183: 181: 177: 173: 171: 167: 163: 161: 157: 153: 151: 147: 129: 123: 119: 116: 113: 109: 104: 100: 95: 90: 81: 78: 70: 60: 56: 50: 49: 43: 38: 29: 28: 23: 19: 520:expanding it 509: 501: 495: 483: 471:. Retrieved 466: 415:. Retrieved 406: 399: 364: 360: 350: 335: 331: 321: 282: 219:composed of 209: 208: 184: 73: 64: 45: 473:12 February 417:12 February 309:spessartine 180:Space group 59:introducing 559:Categories 489:Mindat.org 450:1338–1338. 342:References 305:tourmaline 293:lepidolite 258:pegmatites 254:pyrochlore 201:References 150:IMA symbol 42:references 22:Microlight 18:Microlites 484:Microlite 427:cite book 391:235729616 313:tantalite 214:isometric 210:Microlite 191:(no. 227) 92:Microlite 67:July 2017 317:fluorite 274:crystals 250:(O,OH,F) 234:fluorine 227:tantalum 164:04.DH.15 143:(O,OH,F) 111:Category 369:Bibcode 276:with a 238:(Na,Ca) 224:calcium 217:mineral 131:(Na,Ca) 122:Formula 106:General 55:improve 389:  336:lithos 332:mikros 324:Sweden 289:albite 221:sodium 44:, but 514:is a 411:(PDF) 387:S2CID 301:beryl 297:topaz 230:oxide 174:Cubic 516:stub 475:2022 433:link 419:2022 315:and 377:doi 262:ore 154:Mic 561:: 487:, 465:. 429:}} 425:{{ 385:. 375:. 365:85 363:. 359:. 319:. 311:, 307:, 303:, 299:, 295:, 291:, 242:Ta 185:Fd 135:Ta 547:e 540:t 533:v 522:. 477:. 435:) 421:. 393:. 379:: 371:: 248:6 246:O 244:2 240:2 189:m 187:3 141:6 139:O 137:2 133:2 80:) 74:( 69:) 65:( 51:. 24:.

Index

Microlites
Microlight
references
inline citations
improve
introducing
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Oxide minerals
Formula
IMA symbol
Strunz classification
Crystal system
Space group
isometric
mineral
sodium
calcium
tantalum
oxide
fluorine
pyrochlore
pegmatites
ore
Mohs hardness
specific gravity
crystals
refractive index
miarolitic cavities
albite

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