Descoberta	1801 Ekeberg
Abundância	2
Raio	2.1
Eletronegatividade	1.5
Ionização	7.5496
Número de isótopos	19
Configuração eletrônica	[Xe] 4f14 5d3 6s2
Estados de oxidação	-1,2,3,4,5
Elétron por nível de energia	2,8,18,32,11,2

Minerais que contêm este elemento : 95

Mineral	Dureza	Densidade
Achalaite
Alumotantite	7.50 / 7.50	7.00
Bariomicrolite	4.50 / 5.00	5.68
Béhierite	7.00 / 7.50	7.81
Bismutocolumbite	5.50 / 5.50	7.56
Bismutomicrolite	5.00 / 5.00	6.83
Bismutopyrochlore	5.00 / 5.00	4.97
Bismutotantalite	5.00 / 5.00	8.51
Burovaite-Ca		2.73
Calciosamarskite	6.50 / 6.50	4.48
Calciotantite	6.50 / 6.50	7.46
Ceriopyrochlore-(Ce)	5.00 / 5.50	4.13
Cesplumtantite	7.00 / 7.00	6.00
Columbite-(Mg)	6.50 / 6.50	5.04
Columbite-(Mn)	6.00 / 6.00	5.28
Euxenite-(Y)	6.50 / 6.50	4.70
Eveslogite	5.00 / 5.00	2.85
Ferrokentbrooksite	5.00 / 6.00	3.06
Ferrotitanowodginite	5.50 / 5.50
Ferrowodginite	5.50 / 5.50	7.00
Fersmite	4.00 / 4.50	4.69
Fluorcalciomicrolite	4.00 / 5.00	6.16
Fluornatromicrolite	5.00 / 5.00	6.49
Foordite	6.00 / 6.00	6.73
Formanite-(Y)	5.50 / 6.50	7.03
Heftetjernite	4.50 / 4.50
Holtite	8.50 / 8.50	3.60
Hydrokenomicrolite	5.00 / 5.00	6.67
Hydroxycalciomicrolite	5.00 / 6.00	6.18
Hydroxykenomicrolite
Irtyshite	7.00 / 7.00	7.03
Ishikawaite	5.00 / 6.00	6.20
Iwashiroite-(Y)	6.00 / 6.00	7.10
Ixiolite	6.00 / 6.50	6.94
Jedwabite	7.00 / 7.00	8.60
Johnwalkite	4.00 / 4.00	3.40
Kimrobinsonite	2.50 / 2.50	6.00
Koragoite	4.00 / 5.00	4.70
Lakargiite	8.00 / 8.50	4.59
Liandratite	3.50 / 3.50	6.80
Lithiotantite	6.00 / 6.50	7.00
Lithiowodginite	5.00 / 6.00	7.50
Loranskite-(Y)	5.00 / 5.00	4.40
Makarochkinite	5.50 / 6.00	3.93
Marianoite	6.00 / 6.00	3.32
Menezesite	4.00 / 4.00	4.18
Microlite	5.00 / 5.50	4.20
Nalivkinite		3.29
Natrobistantite		6.10
Natrotantite	7.00 / 7.00	7.71
Nioboaeschynite-(Y)	5.00 / 6.00	5.34
Niobocarbide	8.00 / 8.00	10.25
Olmsteadite	4.00 / 4.00	3.31
Oxynatromicrolite		6.51
Oxystannomicrolite
Oxystibiomicrolite
Parabariomicrolite	4.00 / 4.00	5.97
Petscheckite	5.00 / 5.00	5.50
Písekite-(Y)	5.50 / 6.00	4.03
Plumbomicrolite	5.00 / 5.00	6.60
Plumbopyrochlore	4.50 / 5.50	5.04
Polycrase-(Y)	5.00 / 6.00	4.97
Rankamaite	3.00 / 4.00	5.50
Rossovskyite	6.00 / 6.00	6.30
Rynersonite	4.50 / 4.50	6.40
Samarskite-(Y)	5.00 / 6.00	5.60
Samarskite-(Yb)	5.00 / 6.00	7.03
Schiavinatoite	8.00 / 8.00	6.55
Simpsonite	7.00 / 7.50	6.70
Sosedkoite	6.00 / 6.00	6.90
Stibiotantalite	5.50 / 5.50	6.00
Takanawaite-(Y)	5.50 / 5.50	6.97
Tantalaeschynite-(Y)	5.50 / 6.00	5.75
Tantalcarbide	6.00 / 7.00	14.50
Tantalite-(Fe)	6.00 / 6.50	8.20
Tantalite-(Mg)	5.50 / 5.50	6.70
Tantalite-(Mn)	6.00 / 6.50	8.10
Tanteuxenite-(Y)	5.00 / 6.00	5.40
Tantite	7.00 / 7.00	8.45
Tapiolite-(Fe)	6.00 / 6.00	7.82
Tapiolite-(Mn)	6.00 / 6.00	7.72
Taseqite	5.50 / 5.50	3.24
Thoreaulite	5.50 / 6.00	7.60
Titanowodginite	5.50 / 5.50	6.86
Uranmicrolite	5.50 / 5.50	5.75
Uranopolycrase	5.00 / 6.00	5.50
Uranpyrochlore	5.00 / 5.00	4.80
Vigezzite	4.50 / 5.00	5.54
Wodginite	5.50 / 5.50	7.19
Yttrobetafite-(Y)	4.50 / 5.50	3.65
Yttrocolumbite-(Y)	5.00 / 6.00	5.70
Yttropyrochlore-(Y)	4.50 / 5.50	3.60
Yttrotantalite-(Y)	5.00 / 5.50	5.50
Zabinskiite	5.00 / 5.00	3.90
Zimbabweite	5.00 / 5.50	6.20