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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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445:, as it is non-reactive and non-irritating to body tissues. Much like glass, it is not suitable for use 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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295:. Those minerals have the same chemical composition, but different crystal symmetry:
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585:"The tantalite-tapiolite gap: natural assemblages versus experimental data"
270:, and the two are often grouped together as a semi-singular mineral called
611:"Fingerprinting of conflict minerals: columbite-tantalite ("coltan") ores"
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413:. Brazil has the world's largest reserve of tantalite (52.1%).
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691:. Geology.about.com (2010-07-04). Retrieved on 2011-10-30.
679:. Cellular-news.com (2001-04-03). Retrieved on 2011-10-30.
658:
Titan Metal
Fabricators. Alloys. Applications of Tantalum.
421:
The tantalum metal extracted from tantalite is used in
306:
Tantalite is black to brown in both color and streak.
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573:. Mindat.org (2011-09-07). Retrieved on 2011-10-30.
548:"TANTALITE (Iron Manganese Tantalum Niobium Oxide)"
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Dark black, iron-black to dark brown, reddish brown
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264:) resistant metal. It is chemically similar to
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609:Melcher, Frank; et al. (June 2008).
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282:and manganese-rich is tantalite-(Mn) or
490:
55:Tantalite, Pilbara district, Australia
40:
7:
638:"2006 Minerals Yearbook Nb & Ta"
500:"IMA–CNMNC approved mineral symbols"
461:The mining of tantalite causes many
326:Manganotantalite from Alto do Giz,
1749:Volcanogenic massive sulfide (VMS)
310:-rich tantalites can be brown and
25:
1766:
1194:
387:The Democratic Republic of Congo
289:Tantalite is also very close to
49:
1729:Magmatic nickel-copper-iron-PGE
1719:Kambalda-type komatiitic nickel
670:Coltan, Gorillas and cellphones
1739:Sedimentary exhalative (SedEx)
583:P. Cerny; et al. (1992).
208:Submetallic to almost resinous
1:
1714:Iron oxide copper gold (IOCG)
249:is the primary source of the
467:Democratic Republic of Congo
465:and social problems in the
1839:
1823:Minerals in space group 60
1704:Carbonate-hosted lead-zinc
29:
1762:
1190:
710:Webmineral Tantalite-(Mn)
705:Webmineral Tantalite-(Fe)
48:
660:Retrieved on 2022-07-08.
479:Coltan mining and ethics
425:for strength and higher
30:Not to be confused with
1244:, mineral mixtures and
1803:Manganese(II) minerals
715:Handbook of Mineralogy
640:. US Geological Survey
636:Papp, John F. (2006).
504:Mineralogical Magazine
334:
1818:Orthorhombic minerals
1808:Radioactive gemstones
1754:Orogenic gold deposit
1699:Banded iron formation
592:Canadian Mineralogist
325:
218:Brownish-red to black
175:Good in one direction
108:Strunz classification
1773:Minerals portal
1709:Heavy mineral sands
1201:Minerals portal
525:10.1180/mgm.2021.43
516:2021MinM...85..291W
498:Warr, L.N. (2021).
689:The Coltan Scandal
675:2005-04-07 at the
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299:for tantalite and
134:Dipyramidal (mmm)
1793:Tantalum minerals
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808:Manganoan calcite
447:hydrofluoric acid
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16:(Redirected from
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276:specific gravity
251:chemical element
224:Specific gravity
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18:Manganotantalite
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550:. Galleries.com
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303:for tapiolite.
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1161:Zincobotryogen
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906:(calvonigrite)
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884:Ferrotantalite
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879:Ferrocolumbite
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510:(3): 291–320.
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457:Sustainability
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453:applications.
443:surgical steel
427:melting points
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280:ferrotantalite
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1055:Pyroxferroite
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463:environmental
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1444:Chalcopyrite
1370:
1246:ore deposits
1242:Ore minerals
1192:
1035:Jeffersonite
1000:Babingtonite
962:Natrophilite
914:
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642:. Retrieved
631:
619:. Retrieved
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552:. Retrieved
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420:
417:Applications
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297:orthorhombic
290:
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149:
123:Orthorhombic
27:Tantalum ore
1528:Pentlandite
1504:Molybdenite
1271:Cassiterite
1183:(tungstate)
1080:Zakharovite
1065:Spessartine
1010:Brownleeite
977:Triploidite
947:Childrenite
910:Romanèchite
904:Psilomelane
843:Manganosite
833:Hausmannite
798:Kutnohorite
365:, northern
312:translucent
145:Space group
1787:Categories
1672:Wolframite
1648:Sperrylite
1557:Carbonates
1540:Sphalerite
1509:molybdenum
1456:Chalcocite
1359:Pyrolusite
1171:Wolframite
1113:Rambergite
1103:Alabandite
1050:Piemontite
1020:Chloritoid
982:Zanazziite
952:Graftonite
939:Phosphates
920:Todorokite
869:Birnessite
853:Pyrolusite
785:Carbonates
644:2008-06-03
554:2011-10-25
485:References
439:refraction
395:California
371:Madagascar
318:Occurrence
301:tetragonal
260:(heat and
233:References
191:Mohs scale
137:H-M symbol
98:IMA symbol
1660:Scheelite
1641:beryllium
1629:aluminium
1589:Malachite
1582:magnesium
1577:Magnesite
1570:magnesium
1480:Cobaltite
1420:Argentite
1408:Acanthite
1383:Uraninite
1371:Tantalite
1364:manganese
1347:Magnetite
1311:Columbite
1181:HĂĽbnerite
1175:tungstate
1155:sulfosalt
1151:Samsonite
1147:(various)
1135:Geigerite
1075:Tephroite
1060:Rhodonite
1045:Ottrelite
1040:Knebelite
1025:Eudialyte
1015:Calderite
992:Silicates
967:Purpurite
915:Tantalite
894:Jacobsite
838:Manganite
775:Tusionite
770:Sussexite
751:Manganese
621:10 August
571:Tantalite
534:235729616
441:, and in
339:Australia
308:Manganese
292:tapiolite
267:columbite
258:corrosion
247:tantalite
85:(Fe,Mn)Ta
44:Tantalite
36:Tantalate
1677:tungsten
1665:tungsten
1653:platinum
1565:Dolomite
1468:Cinnabar
1400:Sulfides
1376:tantalum
1340:titanium
1335:Ilmenite
1323:Hematite
1304:tantalum
1288:chromium
1283:Chromite
1139:arsenate
1108:Hauerite
1095:Sulfides
1070:Sugilite
1005:Braunite
972:Triplite
889:Galaxite
874:Bixbyite
793:Ankerite
754:minerals
673:Archived
615:SGA News
473:See also
411:Zimbabwe
407:Virginia
399:Colorado
351:Colombia
254:tantalum
194:hardness
181:Fracture
171:Cleavage
152:(no. 60)
66:Category
32:Tantalit
1744:Uranium
1624:Bauxite
1473:mercury
1432:Bornite
1388:uranium
1316:niobium
1300:niobium
1165:sulfate
1129:Axinite
848:Nsutite
762:Borates
617:(23): 1
512:Bibcode
409:), and
379:Nigeria
375:Namibia
359:Vichada
355:GuainĂa
243:mineral
112:4.DB.35
77:Formula
61:General
1617:barium
1612:Baryte
1594:copper
1533:nickel
1516:Pyrite
1492:Galena
1485:cobalt
1461:copper
1449:copper
1437:copper
1425:silver
1413:silver
1295:Coltan
1263:Oxides
826:Simple
818:Oxides
598:: 587.
532:
451:alkali
423:alloys
405:, and
389:, the
383:Rwanda
367:Europe
347:Canada
343:Brazil
332:Brazil
272:coltan
245:group
214:Streak
204:Luster
1636:Beryl
1605:Other
1122:Other
925:Umber
862:Mixed
588:(PDF)
530:S2CID
435:index
431:glass
429:, in
403:Maine
363:Egypt
198:6–6.5
162:Color
1545:zinc
1521:iron
1497:lead
1352:iron
1328:iron
1302:and
1254:Ores
623:2016
357:and
262:acid
256:, a
241:The
228:8.0+
150:Pbcn
1276:tin
520:doi
437:of
361:),
102:Ttl
34:or
1789::
613:.
596:30
594:.
590:.
563:^
528:.
518:.
508:85
506:.
502:.
469:.
401:,
397:,
385:,
381:,
377:,
373:,
369:,
349:,
345:,
341:,
330:,
328:RN
314:.
286:.
1679:)
1675:(
1667:)
1663:(
1655:)
1651:(
1643:)
1639:(
1631:)
1627:(
1619:)
1615:(
1596:)
1592:(
1584:)
1580:(
1572:)
1568:(
1547:)
1543:(
1535:)
1531:(
1523:)
1519:(
1511:)
1507:(
1499:)
1495:(
1487:)
1483:(
1475:)
1471:(
1463:)
1459:(
1451:)
1447:(
1439:)
1435:(
1427:)
1423:(
1415:)
1411:(
1390:)
1386:(
1378:)
1374:(
1366:)
1362:(
1354:)
1350:(
1342:)
1338:(
1330:)
1326:(
1318:)
1314:(
1306:)
1298:(
1290:)
1286:(
1278:)
1274:(
1234:e
1227:t
1220:v
1177:)
1173:(
1167:)
1163:(
1157:)
1153:(
1141:)
1137:(
743:e
736:t
729:v
647:.
625:.
557:.
536:.
522::
514::
393:(
353:(
91:6
89:O
87:2
38:.
20:)
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