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Yttrotantalite-(Y)

Pictures (4 Images total)

Yttrotantalit-(Y)
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Yttrotantalit-(Y)

Schwarz - grünlich. Mit Feldspat. Gr.Vaxholm, Ytterby, Uppland. Schweden. 2,5x4cm.

Collection: Doc Diether
Copyright: Doc Diether
Contribution: Doc Diether 2008-07-28
Yttrotantalit
Views (Image: 1457517813): 365
Yttrotantalit

Yttrotantalit XX; Länge der linealartigen Leisten 5,5 cm; Höydalen oberer Bruch; Telemark Norwegen

Collection: Privat - Museum M+M. Sendelbach
Copyright: PriMus1
Contribution: PriMus1 2016-03-09
Yttrotantalit
Views (Image: 1457517978): 362
Yttrotantalit

Yttrotantalit XX; Länge der linealartigen Leisten 3 cm; Höydalen oberer Bruch; Telemark Norwegen

Collection: Privat - Museum M+M. Sendelbach
Copyright: PriMus1
Contribution: PriMus1 2016-03-09
Yttrotantalit
Views (Image: 1457518122): 408
Yttrotantalit

Yttrotantalit XX; Länge der linealartigen Leisten 3,5 cm; Gundelbo Bruch; Schweden

Collection: Privat - Museum M+M. Sendelbach
Copyright: PriMus1
Contribution: PriMus1 2016-03-09

Collectors Summary

Color bräunlichschwarz, gelblichbraun, gelb
Streak color farblos grau
Lustre Halbmetallglanz, Glasglanz, Fettglanz
Hardness (Mohs) 5 - 5.5
Cleavages schlecht {010}
Fracture muschelig klein
Solubility - Säuren
Crystal System orthorhombisch,

Chemism

Chemical formula

(Y,U,Fe2+)(Ta,Nb)(O,OH)4

Chemical composition

Eisen, Niob, Tantal, Yttrium, Sauerstoff, Uran, Wasserstoff

Unit weight: 354.2799001 u; Number of atoms in the formula: 7

Info

Empirical formula:

(Y0.6U0.3Fe0.1)(Ta0.75Nb0.25)(O0.75(OH)0.25)4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.28

1

14.29

1.0079470

1.0079470

Oxygen

O

18.06

4

57.14

15.9994300

63.9977200

Iron

Fe

1.58

0.1

1.43

55.8452000

5.5845200

Yttrium

Y

15.06

0.6

8.57

88.9058520

53.3435112

Niobium

Nb

6.56

0.25

3.57

92.9063820

23.2265955

Tantalum

Ta

38.31

0.75

10.71

180.9479100

135.7109325

Uranium

U

20.16

0.3

4.29

238.0289130

71.4086739

Analysis wt%

Na2O : 0.57, CaO : 1.28, BeO : 0.35, FeO : 7.48, MnO : 1.85, Y2O3 : 12.48, Er2O3 : 3.58, Ce2O3 : 0.42, La2O3 : 1.71, UO2 : 3.85, SnO2 : 1.20, ThO2 : 0.67, TiO2 : 1.67, ZrO2 : 0.57, SiO2 : 0.96, WO3 : 0.66, Nb2O5 : 20.38, Ta2O5 : 39.53, H2O : 0.51, Ln2O3 : 18.19 (Ref: Dana, 7th ed. 1)

Strunz 9th edition incl. updates

4.DG.10

4: Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)
D: Metall: Sauerstoff = 1:2 und vergleichbare
G: Mit großen (± mittelgroßen) [Kationen]; Ketten kantenverknüpfter Oktaeder
10:ß-Fergusonit-Gruppe

Lapis Classification

IV/D.19-090

IV: OXIDE
D: Oxide mit Verhältnis Metall : Sauerstoff = 1:2 (MO2 und verwandte Verbindungen)

Classification by Hölzel

4.DJ.400

4: OXIDES
D: Dioxides
J: Titanates, Niobates and Tantalates, C large, V medium ò 2
4: Fergusonite-Group

Hey's Chemical Index of Minerals

18.04.03

18: Niobates and Tantalates
04: Niobates and tantalates containing both U and rare earths

Dana 8th edition

08.01.03.01

08: Multiple Oxides with Nb, Ta, and Ti
01: Multiple Oxides with Nb, Ta, and Ti where A BO4
03: Yttroantalalite-Yttrocolumbite Series

IMA status

anerkannt

Mineral status

anerkanntes Mineral

Optical Properties

Color

bräunlichschwarz, gelblichbraun, gelb

Streak color

farblos grau

Diaphaneity (Transparency)

opak bis teilweise durchscheinend

Lustre

Halbmetallglanz, Glasglanz, Fettglanz

RI value α / ω / n

2.15

Ri mean

2.15

Anisotropism

isotropisch

Optical Data Luminescence

Luminescence

keine Fluoreszenz bekannt

Crystallography

Crystal System

orthorhombisch

Cell parameters a (Å)

5.34

Cell parameters b (Å)

10.94

Cell parameters c (Å)

5.07

Cell parameters a/b or c/a

0.488

Cell parameters c/b

0.463

Cell parameters α

90°

Cell parameters β

95.30

Cell parameters γ

90°

Z

3

Volumne (ų)

296.187

Crystals 3D

Open larger view

Physical Properties

Hardness (Mohs)

5 - 5.5

VHN (Hardness Vickers)

470 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

5.7 (gemessen)

5.958 ( ρ calc. Mineralienatlas )

Cleavages

schlecht {010}

Fracture

muschelig klein

Instability

- Säuren

Chemical Properties and Tests

schwach magnetisch

(Co-)Type locality

(Co-)Type locality

Schweden/Stockholm, Provinz/Resarö/Ytterby

Preface

Name from

Yttrium in der chemischen Zusammensetzung und der Nähe zu Tantalit

Author (Name, Year)

Ekeberg, 1802

References

Kongliga Svenska Vetenskaps-Akademiens Handlingar 23 (1802), 68

Hermann (1846), Journal. pr. Chem. 38, 119.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 763-766.

Canadian Mineralogist (1957) 6, 72.

Acta Crystallographica 23, 939-944.

Mineralogical Magazine (1958) 31, 937.

Strunz Mineralogical Tables 9. Edition (2001), 220.

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Fergusonite-(Ce)-β

(Ce,La,Nd)NbO4

monoklin : 2/m : I2/a

4.DG.10

Fergusonite-(Y)-β

YNbO4

monoklin : I2/a

4.DG.10

Fergusonite-beta-(Nd)

(Nd,Ce)NbO4

4.DG.10

Yttrotantalite-(Y)

(Y,U,Fe2+)(Ta,Nb)(O,OH)4

4.DG.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Polycrase-(Y)

(Y,Ca,Ce,U,Th)(Ti,Nb,Ta)2O6

orthorhombisch : mmm : Pbcn

IV/D.19-010

Uranopolycrase

(U,Y)(Ti,Nb,Ta)2(O,OH)6

orthorhombisch : mmm : Pbcn

IV/D.19-015

'Yttrocrasite-(Y)'

(Y,Th,Ca,U)(Ti,Fe3+)2(O,OH)6

IV/D.19-020

Fersmite

(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6

orthorhombisch : mmm : Pbcn

IV/D.19-030

Euxenite-(Y)

Y(Nb0.5Ti0.5)2O6

orthorhombisch : mmm : Pbcn

IV/D.19-040

Tanteuxenite-(Y)

(Y,Ce,Ca)(Ta,Nb,Ti)2(O,OH)6

orthorhombisch : mmm : Pbcn

IV/D.19-050

Calciosamarskite

(Ca,Fe,Y)(Nb,Ta,Ti)O4

IV/D.19-055

Samarskite-(Yb)

YbNbO4

monoklin : 2/m : P2/c

IV/D.19-058

Samarskite-(Y)

(Y,Ce,U,Fe3+)3(Nb,Ta,Ti)5O16

orthorhombisch : mmm : Pbcn

IV/D.19-060

'Písekite-(Y)'

(Y,As,Ca,Fe,U)(Nb,Ti,Ta)O4

monoklin : 2/m : P21/n

IV/D.19-065

Ishikawaite

(U,Fe,Y)NbO4

IV/D.19-070

'Yttrocolumbite-(Y)'

(Y,U,Fe2+)(Nb,Ta)O4

IV/D.19-080

Yttrotantalite-(Y)

(Y,U,Fe2+)(Ta,Nb)(O,OH)4

IV/D.19-090

Loranskite-(Y)

(Y,Ce,Ca)ZrTaO6

IV/D.19-100

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Yttrotantalite-(Y)

(Y,U,Fe2+)(Ta,Nb)(O,OH)4

4.DJ.400

Fergusonite-(Y)-β

YNbO4

monoklin : I2/a

4.DJ.410

Fergusonite-beta-(Nd)

(Nd,Ce)NbO4

4.DJ.420

Fergusonite-(Ce)-β

(Ce,La,Nd)NbO4

monoklin : 2/m : I2/a

4.DJ.430

Takanawaite-(Y)

Y[Ta,Nb]O4

monoklin : 2/m : I2/a

4.DJ.440

Fergusonite-(Y)

YNbO4

tetragonal : 4/m : I41/a

4.DJ.450

Formanite-(Y)

YTaO4

monoklin : 2/m : P2/a

4.DJ.460

Iwashiroite-(Y)

YTaO4

monoklin : 2/m : P2/a

4.DJ.465

'Fergusonite-(Ce)'

CeNbO4

tetragonal : 4/m : I41/a

4.DJ.470

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Fergusonite-(Y)

YNbO4

tetragonal : 4/m : I41/a

08.01.01.01

Formanite-(Y)

YTaO4

monoklin : 2/m : P2/a

08.01.01.02

'Fergusonite-(Ce)'

CeNbO4

tetragonal : 4/m : I41/a

08.01.01.03

Yttrotantalite-(Y)

(Y,U,Fe2+)(Ta,Nb)(O,OH)4

08.01.03.01

'Yttrocolumbite-(Y)'

(Y,U,Fe2+)(Nb,Ta)O4

08.01.03.02

Ishikawaite

(U,Fe,Y)NbO4

08.01.04.01

Loranskite-(Y)

(Y,Ce,Ca)ZrTaO6

08.01.05.01

Stibiocolumbite

SbNbO4

orthorhombisch : mm2 : Pc21n

08.01.06.01

Stibiotantalite

Sb3+TaO4

orthorhombisch : mm2 : Pc21n

08.01.06.02

Bismutotantalite

Bi(Ta,Nb)O4

orthorhombisch : mmm : Pcnn

08.01.06.03

Bismutocolumbite

Bi(Nb,Ta)O4

orthorhombisch : mmm : Pcnn

08.01.06.04

Alumotantite

AlTaO4

orthorhombisch : mmm : Pbcn

08.01.07.01

Wodginite

Mn2+Sn4+Ta2O8

monoklin : 2/m : C2/c

08.01.08.01

Ferrowodginite

(Fe2+,Mn2+)(Sn,Ti,Fe3+,Ta)(Ta,Nb)2O8

monoklin : 2/m : C2/c

08.01.08.02

Titanowodginite

(Mn2+,Fe2+)(Ti,Sn,Ta,Sc)(Ta,Nb)2O8

monoklin : 2/m : C2/c

08.01.08.03

Lithiowodginite

(Li,Mn,Fe)(Ta,Nb,Sn)3O8

monoklin : 2/m : C2/c

08.01.08.04

Ferrotitanowodginite

(Fe2+,Mn2+)(Ti,Sn4+,Ta,Fe3+)(Ta,Nb)2O8

monoklin : 2/m : C2/c

08.01.08.05

Liandratite

U6+(Nb,Ta)2O8

trigonal : 3m : P31m

08.01.09.01

Petscheckite

U4+Fe2+Nb2O8

trigonal : 3m : P31m

08.01.09.02

Related minerals "Hey's Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Yttrotantalite-(Y)

(Y,U,Fe2+)(Ta,Nb)(O,OH)4

18.04.03

Other languages

Spanish

Itrotantalita-(Y)

German

Yttrotantalit-(Y)

English

Yttrotantalite-(Y)

French

Yttrotantalite-(Y)

Russian

Иттротанталит-(Y)

Simplified Chinese

钇钽铁矿

Japanisch

イットリウムイットロタンタル石

Alternative Name

German

Schwarzer Yttrotantalit

Tantal oxid yttrifre

Tantal oxidé yttrifère

Yttroilmenite

Italian

Yttrotantalita

Yttrotantalite

Japanisch

イットロタンタル石

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