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Yttrotantalite-(Y)

Pictures (8 Images total)

Yttrotantalit-(Y)
Views (File:
1569749876
): 895
Yttrotantalit-(Y)
Schweden/Stockholm, Provinz/Resarö/Ytterby. Bildbreite 0,8 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Schweden/Stockholm, Provinz/Resarö/Ytterby
Mineral: Yttrotantalite-(Y)
Image: 1569749876
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Yttrotantalit-(Y)

Schweden/Stockholm, Provinz/Resarö/Ytterby. Bildbreite 0,8 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2019-09-29
Locality: Ytterby / Resarö / Stockholm, Provinz / Schweden
Yttrotantalit-(Y)
Views (File:
1217220838
): 2094
Yttrotantalit-(Y)
Schwarz - grünlich. Mit Feldspat. Gr.Vaxholm, Ytterby, Uppland. Schweden. 2,5x4cm.
Copyright: Doc Diether; Contribution: Doc Diether
Collection: Doc Diether
Location: Schweden/Stockholm, Provinz/Resarö/Ytterby
Mineral: Yttrotantalite-(Y)
Image: 1217220838
License: Usage for Mineralienatlas project only
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
Locality: Ytterby / Resarö / Stockholm, Provinz / Schweden
Yttrotantalit
Views (File:
1457517813
): 891
Yttrotantalit
Yttrotantalit XX; Länge der linealartigen Leisten 5,5 cm; Höydalen oberer Bruch; Telemark Norwegen
Copyright: PriMus1; Contribution: PriMus1
Collection: Privat - Museum M+M. Sendelbach
Location: Norwegen/Telemark, Provinz/Drangedal, Kommune/Tørdal/Høydalen
Mineral: Yttrotantalite-(Y)
Image: 1457517813
License: Usage for Mineralienatlas project only
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
Locality: Høydalen / Tørdal / Drangedal, Kommune / Telemark, Provinz / Norwegen
Yttrotantalit
Views (File:
1457517978
): 891
Yttrotantalit
Yttrotantalit XX; Länge der linealartigen Leisten 3 cm; Höydalen oberer Bruch; Telemark Norwegen
Copyright: PriMus1; Contribution: PriMus1
Collection: Privat - Museum M+M. Sendelbach
Location: Norwegen/Telemark, Provinz/Drangedal, Kommune/Tørdal/Høydalen
Mineral: Yttrotantalite-(Y)
Image: 1457517978
License: Usage for Mineralienatlas project only
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
Locality: Høydalen / Tørdal / Drangedal, Kommune / Telemark, Provinz / Norwegen
Yttrotantalit
Views (File:
1457518122
): 1019
Yttrotantalit
Yttrotantalit XX; Länge der linealartigen Leisten 3,5 cm; Gundelbo Bruch; Schweden
Copyright: PriMus1; Contribution: PriMus1
Collection: Privat - Museum M+M. Sendelbach
Location: Schweden/Västra Götaland, Provinz/Vänersborg/Väne Ryr/Essljung (Gundlebo)
Mineral: Yttrotantalite-(Y)
Image: 1457518122
License: Usage for Mineralienatlas project only
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
Locality: Essljung (Gundlebo) / Väne Ryr / Vänersborg / Västra Götaland, Provinz / Schweden

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

IMA Classification

IMA Classification

 Columbite supergroup  ⇒ Samarskite group

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

Volume (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

Safety Instructions

Industrial chemicals are often present in powder form and therefore often contain much higher dangers than natural, crystalline substances. These hazard statements refer to the classification of industrially used chemical compounds that may also occur in this natural mineral. The hazard classification makes no claim to completeness.




Safety classes: Ionizing radiation: Radioaktiv

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.

IMA group assignments

 
Columbite supergroup
 
 
 

 
 
Samarskite group
 
 
 

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

 
 
 
Ishikawaite
(U,Fe,Y)NbO4
monoklin
 

 
 
 
Samarskite-(Yb)
YbNbO4
monoklin
P2/c

 
 
 
Samarskite-(Y)
YFe3+Nb2O8
orthorhombisch
Pbcn

 
 
 
Shakhdaraite-(Y)
ScYNb2O8
monoklin
P2/c

 
 
 
Srilankite
TiO2
orthorhombisch
Pbcn

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

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Actuality: 19. Apr 2025 - 02:40:46

Other languages

Spanish

Itrotantalita-(Y)

German

Yttrotantalit-(Y)

English

Yttrotantalite-(Y)

French

Yttrotantalite-(Y)

Russian

Иттротанталит-(Y)

Simplified Chinese

钇钽铁矿

Japanese

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

Japanese

イットロタンタル石

CNMNC symbol

Symbol

Yttl-Y

Locations with GPS information

IDs

GUSID (Global unique identifier short form) iNT9LhBzj02M93X56flWmw
GUID (Global unique identifier) 2EFDD488-7310-4D8F-8CF7-75F9E9F9569B
Database ID 4245