Knowledge (XXG)

Fluoborite

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Fluoborite's crystal system is hexagonal, meaning it has one six-fold axis of rotation. It also has a mirror plane perpendicular to the c-axis. Fluoborite is uniaxial, just like all other hexagonal minerals. Uniaxial means it has only one optic axis. It is anisotropic. Its relief is low, and it is
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Anthony, J.W., Bideaux, R.A., Bladh, K.W., and Nichols, M.C. (2003)Fluoborite. Handbook of Mineralogy Volume V Borates, Carbonates, Sulfates, 791 p. Mineral Data Publishing, Tucson, AZ.
594: 86: 193: 226: 367:. It is an iron mine in a contact metasomatic magnetite deposit. The other type locality is the Huerta del Vinagre mine, 589: 584: 579: 101: 352: 76: 456: 338: 216: 206: 474: 407: 183: 391: 140: 541: 464: 254: 236: 51: 542:"New data on the crystal-chemistry of fluoborite by means of SREF, SIMS, and EMP analysis" 494: 460: 360: 96: 44: 573: 478: 419: 415: 272: 173: 108: 403: 345: 285: 155: 379: 282: 123: 519: 423: 115: 395: 383: 375: 348: 399: 319: 469: 444: 411: 387: 356: 25: 508: 364: 341: 333:
There are three major settings fluoborite is found. It is found in
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developed in metamorphosed boron-rich magnesium rocks,
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in the Tallgruvan, Sweden occurrence. It occurs with
318:. Its name comes from its main chemical components, 294: 281: 271: 253: 245: 235: 225: 215: 205: 192: 182: 172: 164: 154: 149: 139: 122: 107: 95: 85: 75: 50: 40: 35: 18: 145:a = 8.8612, c = 3.1021 ; Z = 3 8: 355:for fluoborite. One is Tall Mine, Kallmora, 24: 468: 504: 502: 435: 15: 520:Fluoborite Mineral Data on Webmineral 490: 488: 7: 445:"IMA–CNMNC approved mineral symbols" 326:. It was first described in 1926. 14: 540:Camara, F.; Ottolini, L. (2000). 290:Intense cream-white under SW UV 351:deposits. There are two major 1: 178:Acicular, prismatic, stellate 306:has a chemical formula of Mg 168:Colorless to violet or white 595:Minerals in space group 176 611: 374:It occurs associated with 231:Translucent to transparent 30:Fluoborite found in Italy 23: 509:Fluoborite on Mindat.org 495:Handbook of Mineralogy 449:Mineralogical Magazine 549:American Mineralogist 339:contact metamorphosed 87:Strunz classification 470:10.1180/mgm.2021.43 461:2021MinM...85..291W 443:Warr, L.N. (2021). 590:Hexagonal minerals 585:Magnesium minerals 246:Optical properties 113:Dipyramidal (6/m) 344:, and in contact 301: 300: 211:Vitreous to silky 602: 564: 563: 561: 560: 546: 537: 531: 528: 522: 517: 511: 506: 497: 492: 483: 482: 472: 440: 255:Refractive index 237:Specific gravity 198: 57: 56:(repeating unit) 28: 16: 610: 609: 605: 604: 603: 601: 600: 599: 580:Borate minerals 570: 569: 568: 567: 558: 556: 544: 539: 538: 534: 529: 525: 518: 514: 507: 500: 493: 486: 442: 441: 437: 432: 353:type localities 330:birefringent. 317: 313: 309: 266: 262: 196: 134: 114: 71: 67: 63: 55: 54: 31: 12: 11: 5: 608: 606: 598: 597: 592: 587: 582: 572: 571: 566: 565: 532: 523: 512: 498: 484: 455:(3): 291–320. 434: 433: 431: 428: 315: 311: 307: 299: 298: 296: 292: 291: 288: 279: 278: 275: 269: 268: 264: 260: 257: 251: 250: 247: 243: 242: 239: 233: 232: 229: 223: 222: 219: 213: 212: 209: 203: 202: 199: 190: 189: 188:Good on {0001} 186: 180: 179: 176: 170: 169: 166: 162: 161: 158: 152: 151: 150:Identification 147: 146: 143: 137: 136: 132: 126: 120: 119: 111: 105: 104: 99: 97:Crystal system 93: 92: 89: 83: 82: 79: 73: 72: 69: 65: 61: 58: 48: 47: 45:Borate mineral 42: 38: 37: 33: 32: 29: 21: 20: 13: 10: 9: 6: 4: 3: 2: 607: 596: 593: 591: 588: 586: 583: 581: 578: 577: 575: 554: 550: 543: 536: 533: 527: 524: 521: 516: 513: 510: 505: 503: 499: 496: 491: 489: 485: 480: 476: 471: 466: 462: 458: 454: 450: 446: 439: 436: 429: 427: 425: 421: 420:Sterling Hill 417: 416:rhodochrosite 413: 409: 405: 401: 397: 393: 389: 385: 381: 377: 372: 370: 366: 362: 358: 354: 350: 347: 343: 340: 336: 331: 327: 325: 321: 305: 297: 293: 289: 287: 284: 280: 276: 274: 273:Birefringence 270: 258: 256: 252: 248: 244: 240: 238: 234: 230: 228: 224: 220: 218: 214: 210: 208: 204: 200: 195: 191: 187: 185: 181: 177: 175: 174:Crystal habit 171: 167: 163: 159: 157: 153: 148: 144: 142: 138: 130: 127: 125: 121: 117: 112: 110: 109:Crystal class 106: 103: 100: 98: 94: 90: 88: 84: 80: 78: 74: 59: 53: 49: 46: 43: 39: 34: 27: 22: 17: 557:. Retrieved 552: 548: 535: 526: 515: 452: 448: 438: 404:hydrozincite 373: 332: 328: 303: 302: 286:fluorescence 249:Uniaxial (−) 160:186.61 g/mol 156:Formula mass 128: 408:pyrochroite 380:chondrodite 361:Västmanland 346:metasomatic 283:Ultraviolet 227:Diaphaneity 124:Space group 574:Categories 559:2024-05-28 430:References 424:New Jersey 304:Fluoborite 295:References 194:Mohs scale 116:H-M symbol 77:IMA symbol 19:Fluoborite 555:: 103–107 479:235729616 396:willemite 384:magnetite 376:ludwigite 349:magnetite 263:= 1.570 n 141:Unit cell 102:Hexagonal 400:fluorite 392:mooreite 320:fluorine 197:hardness 184:Cleavage 41:Category 457:Bibcode 412:zincite 388:calcite 357:Norberg 314:)(F,OH) 267:= 1.534 118:: (6/m) 91:6.AB.50 68:)(F,OH) 52:Formula 36:General 477:  365:Sweden 342:marble 335:skarns 217:Streak 207:Luster 545:(PDF) 475:S2CID 369:Spain 324:boron 277:0.036 221:white 165:Color 414:and 386:and 322:and 241:2.98 465:doi 418:at 310:(BO 201:3.5 81:Fbo 64:(BO 576:: 553:85 551:. 547:. 501:^ 487:^ 473:. 463:. 453:85 451:. 447:. 426:. 422:, 410:, 406:, 402:, 398:, 394:, 382:, 378:, 371:. 363:, 359:, 135:/m 60:Mg 562:. 481:. 467:: 459:: 316:3 312:3 308:3 265:ε 261:ω 259:n 133:3 131:6 129:P 70:3 66:3 62:3

Index


Borate mineral
Formula
IMA symbol
Strunz classification
Crystal system
Hexagonal
Crystal class
H-M symbol
Space group
Unit cell
Formula mass
Crystal habit
Cleavage
Mohs scale
Luster
Streak
Diaphaneity
Specific gravity
Refractive index
Birefringence
Ultraviolet
fluorescence
fluorine
boron
skarns
contact metamorphosed
marble
metasomatic
magnetite

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