Knowledge

Aluminite

Source 📝

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Aluminite is used by tile and masonry workers to reduce the setting time of mortars.
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mineral which almost never exhibits crystal form. It forms botryoidal to mammillary
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An outcrop of aluminite at the top of the white chalk of the cliff at
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and named for its aluminium content. It is also known as
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It occurs in association with 35: 625:from the original on 2013-01-17 600:from the original on 2009-11-09 572:from the original on 2012-04-26 322:Measured: 90°, calculated: 86° 262:Translucent, opaque if massive 1: 710: 689:Minerals in space group 14 189:Needles and fibrous masses 15: 34: 560:"Handbook of Mineralogy" 420:deposits and rarely in 20:type "websterite", see 513:Mineralogical Magazine 389: 179:White to grayish white 594:"Mindat w/ locations" 386:Newhaven, East Sussex 383: 164:a = 7.44, b = 15.583 103:Strunz classification 694:Luminescent minerals 655:at Wikimedia Commons 684:Monoclinic minerals 534:10.1180/mgm.2021.43 525:2021MinM...85..291W 507:Warr, L.N. (2021). 414:volcanic sublimates 674:Aluminium minerals 390: 277:Optical properties 651:Media related to 333: 332: 137: 701: 679:Sulfate minerals 650: 634: 633: 631: 630: 615: 609: 608: 606: 605: 590: 581: 580: 578: 577: 571: 564: 556: 547: 546: 536: 504: 375:specific gravity 345:with formula: Al 286:Refractive index 268:Specific gravity 229: 209:Irregular/uneven 131: 129:Prismatic (2/m) 68: 67:(repeating unit) 39: 27: 709: 708: 704: 703: 702: 700: 699: 698: 664: 663: 643: 638: 637: 628: 626: 617: 616: 612: 603: 601: 592: 591: 584: 575: 573: 569: 562: 558: 557: 550: 506: 505: 501: 496: 400:deposits as an 377:of 1.66–1.82. 360: 356: 352: 348: 343:sulfate mineral 301: 297: 293: 227: 165: 153: 130: 86: 82: 78: 74: 66: 65: 56:Sulfate mineral 42: 25: 12: 11: 5: 707: 705: 697: 696: 691: 686: 681: 676: 666: 665: 657: 656: 642: 641:External links 639: 636: 635: 610: 582: 548: 519:(3): 291–320. 498: 497: 495: 492: 485:Thomas Webster 358: 354: 350: 346: 331: 330: 328: 324: 323: 320: 314: 313: 310: 304: 303: 299: 295: 291: 288: 282: 281: 278: 274: 273: 270: 264: 263: 260: 254: 253: 250: 244: 243: 242:Dull to earthy 240: 234: 233: 230: 221: 220: 217: 211: 210: 207: 201: 200: 197: 191: 190: 187: 181: 180: 177: 173: 172: 171:Identification 168: 167: 162: 156: 155: 151: 145: 139: 138: 127: 121: 120: 115: 113:Crystal system 109: 108: 105: 99: 98: 95: 89: 88: 84: 80: 76: 72: 69: 59: 58: 53: 49: 48: 44: 43: 40: 32: 31: 13: 10: 9: 6: 4: 3: 2: 706: 695: 692: 690: 687: 685: 682: 680: 677: 675: 672: 671: 669: 662: 661: 654: 649: 645: 644: 640: 624: 620: 614: 611: 599: 595: 589: 587: 583: 568: 561: 555: 553: 549: 544: 540: 535: 530: 526: 522: 518: 514: 510: 503: 500: 493: 491: 488: 486: 482: 479:(named after 478: 474: 470: 466: 462: 461:Saxony-Anhalt 458: 453: 451: 447: 443: 439: 435: 431: 427: 423: 419: 418:native sulfur 415: 411: 407: 403: 399: 395: 387: 382: 378: 376: 373:of 1–2 and a 372: 371:Mohs hardness 368: 364: 344: 341: 338:is a hydrous 337: 329: 325: 321: 319: 315: 311: 309: 308:Birefringence 305: 289: 287: 283: 279: 275: 271: 269: 265: 261: 259: 255: 251: 249: 245: 241: 239: 235: 231: 226: 222: 218: 216: 212: 208: 206: 202: 198: 196: 192: 188: 186: 185:Crystal habit 182: 178: 174: 169: 163: 161: 157: 149: 146: 144: 140: 135: 128: 126: 125:Crystal class 122: 119: 116: 114: 110: 106: 104: 100: 96: 94: 90: 70: 64: 60: 57: 54: 50: 45: 38: 33: 28: 23: 19: 658: 627:. Retrieved 619:"Webmineral" 613: 602:. Retrieved 574:. Retrieved 516: 512: 502: 489: 476: 472: 468: 454: 426:basaluminite 392:It forms in 391: 335: 334: 147: 18:igneous rock 469:alley stone 404:product of 280:Biaxial (+) 258:Diaphaneity 143:Space group 668:Categories 629:2005-09-05 604:2005-09-05 576:2012-06-10 494:References 483:geologist 477:websterite 388:, England. 363:monoclinic 327:References 225:Mohs scale 134:H-M symbol 118:Monoclinic 93:IMA symbol 22:Websterite 653:Aluminite 543:235729616 442:celestine 410:marcasite 402:oxidation 340:aluminium 336:Aluminite 312:δ = 0.011 298:= 1.464 n 294:= 1.459 n 272:1.66–1.82 160:Unit cell 30:Aluminite 623:Archived 598:Archived 567:Archived 481:Orcadian 450:goethite 446:dolomite 434:epsomite 430:gibbsite 318:2V angle 228:hardness 215:Tenacity 205:Fracture 195:Cleavage 52:Category 16:For the 521:Bibcode 465:Germany 398:lignite 302:= 1.470 219:Friable 107:7.DC.05 63:Formula 47:General 541:  473:halite 438:gypsum 406:pyrite 248:Streak 238:Luster 132:(same 570:(PDF) 563:(PDF) 539:S2CID 457:Halle 422:caves 416:, in 252:White 232:1 - 2 176:Color 475:and 448:and 408:and 396:and 394:clay 367:clay 353:(OH) 199:None 79:(OH) 529:doi 487:). 357:·7H 83:·7H 670:: 621:. 596:. 585:^ 565:. 551:^ 537:. 527:. 517:85 515:. 511:. 471:, 463:, 459:, 452:. 444:, 440:, 436:, 432:, 428:, 349:SO 154:/c 75:SO 71:Al 632:. 607:. 579:. 545:. 531:: 523:: 359:2 355:4 351:4 347:2 300:γ 296:β 292:α 290:n 152:1 150:2 148:P 136:) 97:A 87:O 85:2 81:4 77:4 73:2 24:.

Index

igneous rock
Websterite

Sulfate mineral
Formula
IMA symbol
Strunz classification
Crystal system
Monoclinic
Crystal class
H-M symbol
Space group
Unit cell
Crystal habit
Cleavage
Fracture
Tenacity
Mohs scale
Luster
Streak
Diaphaneity
Specific gravity
Refractive index
Birefringence
2V angle
aluminium
sulfate mineral
monoclinic
clay
Mohs hardness

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