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Tantalite occurs in granitic pegmatites that are rich in rare-elements, and in placer deposits derived from such rocks. It has been found in
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than columbite (8.0+ compared to columbite's 5.2). Iron-rich tantalite is the mineral tantalite-(Fe) or
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or "columbite-tantalite" in many mineral guides. However, tantalite has a much greater
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284:. Those minerals have the same chemical composition, but different crystal symmetry:
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574:"The tantalite-tapiolite gap: natural assemblages versus experimental data"
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259:, and the two are often grouped together as a semi-singular mineral called
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600:"Fingerprinting of conflict minerals: columbite-tantalite ("coltan") ores"
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402:. Brazil has the world's largest reserve of tantalite (52.1%).
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680:. Geology.about.com (2010-07-04). Retrieved on 2011-10-30.
668:. Cellular-news.com (2001-04-03). Retrieved on 2011-10-30.
647:
Titan Metal
Fabricators. Alloys. Applications of Tantalum.
1264:
1242:
410:
The tantalum metal extracted from tantalite is used in
295:
Tantalite is black to brown in both color and streak.
562:. Mindat.org (2011-09-07). Retrieved on 2011-10-30.
537:"TANTALITE (Iron Manganese Tantalum Niobium Oxide)"
154:
Dark black, iron-black to dark brown, reddish brown
1773:
253:) resistant metal. It is chemically similar to
591:
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598:Melcher, Frank; et al. (June 2008).
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271:and manganese-rich is tantalite-(Mn) or
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44:Tantalite, Pilbara district, Australia
1203:
712:
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627:"2006 Minerals Yearbook Nb & Ta"
624:
489:"IMA–CNMNC approved mineral symbols"
486:
450:The mining of tantalite causes many
315:Manganotantalite from Alto do Giz,
13:
1738:Volcanogenic massive sulfide (VMS)
299:-rich tantalites can be brown and
14:
1823:
687:
445:
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376:The Democratic Republic of Congo
278:Tantalite is also very close to
38:
1718:Magmatic nickel-copper-iron-PGE
1708:Kambalda-type komatiitic nickel
659:Coltan, Gorillas and cellphones
405:
1728:Sedimentary exhalative (SedEx)
671:
652:
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572:P. Cerny; et al. (1992).
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197:Submetallic to almost resinous
1:
1703:Iron oxide copper gold (IOCG)
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238:is the primary source of the
456:Democratic Republic of Congo
7:
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454:and social problems in the
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1812:Minerals in space group 60
1693:Carbonate-hosted lead-zinc
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699:Webmineral Tantalite-(Mn)
694:Webmineral Tantalite-(Fe)
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649:Retrieved on 2022-07-08.
468:Coltan mining and ethics
414:for strength and higher
19:Not to be confused with
1233:, mineral mixtures and
1792:Manganese(II) minerals
704:Handbook of Mineralogy
629:. US Geological Survey
625:Papp, John F. (2006).
493:Mineralogical Magazine
323:
1807:Orthorhombic minerals
1797:Radioactive gemstones
1743:Orogenic gold deposit
1688:Banded iron formation
581:Canadian Mineralogist
314:
207:Brownish-red to black
164:Good in one direction
97:Strunz classification
1762:Minerals portal
1698:Heavy mineral sands
1190:Minerals portal
514:10.1180/mgm.2021.43
505:2021MinM...85..291W
487:Warr, L.N. (2021).
678:The Coltan Scandal
664:2005-04-07 at the
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288:for tantalite and
123:Dipyramidal (mmm)
1782:Tantalum minerals
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797:Manganoan calcite
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265:specific gravity
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213:Specific gravity
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539:. Galleries.com
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438:and strong hot
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292:for tapiolite.
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128:: (2/m 2/m 2/m)
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895:(calvonigrite)
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873:Ferrotantalite
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868:Ferrocolumbite
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688:External links
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499:(3): 291–320.
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446:Sustainability
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442:applications.
432:surgical steel
416:melting points
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269:ferrotantalite
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1074:Zircophyllite
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1044:Pyroxferroite
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1019:Glaucochroite
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1433:Chalcopyrite
1359:
1235:ore deposits
1231:Ore minerals
1181:
1024:Jeffersonite
989:Babingtonite
951:Natrophilite
903:
673:
654:
642:
631:. Retrieved
620:
608:. Retrieved
603:
593:
584:
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541:. Retrieved
531:
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409:
406:Applications
325:
294:
286:orthorhombic
279:
277:
272:
268:
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112:Orthorhombic
16:Tantalum ore
1517:Pentlandite
1493:Molybdenite
1260:Cassiterite
1172:(tungstate)
1069:Zakharovite
1054:Spessartine
999:Brownleeite
966:Triploidite
936:Childrenite
899:Romanèchite
893:Psilomelane
832:Manganosite
822:Hausmannite
787:Kutnohorite
354:, northern
301:translucent
134:Space group
1776:Categories
1661:Wolframite
1637:Sperrylite
1546:Carbonates
1529:Sphalerite
1498:molybdenum
1445:Chalcocite
1348:Pyrolusite
1160:Wolframite
1102:Rambergite
1092:Alabandite
1039:Piemontite
1009:Chloritoid
971:Zanazziite
941:Graftonite
928:Phosphates
909:Todorokite
858:Birnessite
842:Pyrolusite
774:Carbonates
633:2008-06-03
543:2011-10-25
474:References
428:refraction
384:California
360:Madagascar
307:Occurrence
290:tetragonal
249:(heat and
222:References
180:Mohs scale
126:H-M symbol
87:IMA symbol
1649:Scheelite
1630:beryllium
1618:aluminium
1578:Malachite
1571:magnesium
1566:Magnesite
1559:magnesium
1469:Cobaltite
1409:Argentite
1397:Acanthite
1372:Uraninite
1360:Tantalite
1353:manganese
1336:Magnetite
1300:Columbite
1170:HĂĽbnerite
1164:tungstate
1144:sulfosalt
1140:Samsonite
1136:(various)
1124:Geigerite
1064:Tephroite
1049:Rhodonite
1034:Ottrelite
1029:Knebelite
1014:Eudialyte
1004:Calderite
981:Silicates
956:Purpurite
904:Tantalite
883:Jacobsite
827:Manganite
764:Tusionite
759:Sussexite
740:Manganese
610:10 August
560:Tantalite
523:235729616
430:, and in
328:Australia
297:Manganese
281:tapiolite
256:columbite
247:corrosion
236:tantalite
74:(Fe,Mn)Ta
33:Tantalite
25:Tantalate
1666:tungsten
1654:tungsten
1642:platinum
1554:Dolomite
1457:Cinnabar
1389:Sulfides
1365:tantalum
1329:titanium
1324:Ilmenite
1312:Hematite
1293:tantalum
1277:chromium
1272:Chromite
1128:arsenate
1097:Hauerite
1084:Sulfides
1059:Sugilite
994:Braunite
961:Triplite
878:Galaxite
863:Bixbyite
782:Ankerite
743:minerals
662:Archived
604:SGA News
462:See also
400:Zimbabwe
396:Virginia
388:Colorado
340:Colombia
243:tantalum
183:hardness
170:Fracture
160:Cleavage
141:(no. 60)
55:Category
21:Tantalit
1733:Uranium
1613:Bauxite
1462:mercury
1421:Bornite
1377:uranium
1305:niobium
1289:niobium
1154:sulfate
1118:Axinite
837:Nsutite
751:Borates
606:(23): 1
501:Bibcode
398:), and
368:Nigeria
364:Namibia
348:Vichada
344:GuainĂa
232:mineral
101:4.DB.35
66:Formula
50:General
1606:barium
1601:Baryte
1583:copper
1522:nickel
1505:Pyrite
1481:Galena
1474:cobalt
1450:copper
1438:copper
1426:copper
1414:silver
1402:silver
1284:Coltan
1252:Oxides
815:Simple
807:Oxides
587:: 587.
521:
440:alkali
412:alloys
394:, and
378:, the
372:Rwanda
356:Europe
336:Canada
332:Brazil
321:Brazil
261:coltan
234:group
203:Streak
193:Luster
1625:Beryl
1594:Other
1111:Other
914:Umber
851:Mixed
577:(PDF)
519:S2CID
424:index
420:glass
418:, in
392:Maine
352:Egypt
187:6–6.5
151:Color
1534:zinc
1510:iron
1486:lead
1341:iron
1317:iron
1291:and
1243:Ores
612:2016
346:and
251:acid
245:, a
230:The
217:8.0+
139:Pbcn
1265:tin
509:doi
426:of
350:),
91:Ttl
23:or
1778::
602:.
585:30
583:.
579:.
552:^
517:.
507:.
497:85
495:.
491:.
458:.
390:,
386:,
374:,
370:,
366:,
362:,
358:,
338:,
334:,
330:,
319:,
317:RN
303:.
275:.
1668:)
1664:(
1656:)
1652:(
1644:)
1640:(
1632:)
1628:(
1620:)
1616:(
1608:)
1604:(
1585:)
1581:(
1573:)
1569:(
1561:)
1557:(
1536:)
1532:(
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1520:(
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1508:(
1500:)
1496:(
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1472:(
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1448:(
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1436:(
1428:)
1424:(
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1412:(
1404:)
1400:(
1379:)
1375:(
1367:)
1363:(
1355:)
1351:(
1343:)
1339:(
1331:)
1327:(
1319:)
1315:(
1307:)
1303:(
1295:)
1287:(
1279:)
1275:(
1267:)
1263:(
1223:e
1216:t
1209:v
1166:)
1162:(
1156:)
1152:(
1146:)
1142:(
1130:)
1126:(
732:e
725:t
718:v
636:.
614:.
546:.
525:.
511::
503::
382:(
342:(
80:6
78:O
76:2
27:.
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