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Thalénite-(Y)

Pictures (4 Images total)

Thalenit
Views (File:
1192997977
): 1915
Thalenit
Fundort: Hundholmen, Tysfjord, Nordland, Norwegen; Kristall 1,2 cm
Copyright: Michael K.; Contribution: Michael K.
Collection: Michael K.
Location: Norwegen/Nordland, Provinz/Narvik, Kommune/Hundholmen
Mineral: Thalénite-(Y)
Image: 1192997977
Rating: 8 (votes: 2)
License: Usage for Mineralienatlas project only
Thalenit

Fundort: Hundholmen, Tysfjord, Nordland, Norwegen; Kristall 1,2 cm
Collection: Michael K.
Copyright: Michael K.
Contribution: Michael K. 2007-10-21
Locality: Hundholmen / Narvik, Kommune / Nordland, Provinz / Norwegen
Thalenit
Views (File:
1192997466
): 1417
Thalenit
rosafarbene Kristalle, Fundort: Hundholmen, Tysfjord, Nordland, Norwegen; Breite der Stufe ca. 3 cm,
Copyright: Michael K.; Contribution: Michael K.
Collection: Michael K.
Location: Norwegen/Nordland, Provinz/Narvik, Kommune/Hundholmen
Mineral: Thalénite-(Y)
Image: 1192997466
Rating: 6.67 (votes: 3)
License: Usage for Mineralienatlas project only
Thalenit

rosafarbene Kristalle, Fundort: Hundholmen, Tysfjord, Nordland, Norwegen; Breite der Stufe ca. 3 cm,
Collection: Michael K.
Copyright: Michael K.
Contribution: Michael K. 2007-10-21
Locality: Hundholmen / Narvik, Kommune / Nordland, Provinz / Norwegen
Thalenit
Views (File:
1459948284
): 858
Thalenit
Thalenit; rosa bis rötlichbraun; Handstück ca 7 x 7 cm; Begleitminerale Allanit, Iimoriit, Keiviit, Tengerit, Thalenit
Copyright: Michael & Maren S.; Contribution: PriMus1
Collection: Privat - Museum M+M. Sendelbach
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Persberg/Åskagen-Pegmatit (Torskebäcken)
Mineral: Thalénite-(Y)
Image: 1459948284
Rating: 5 (votes: 1)
License: Usage for Mineralienatlas project only
Thalenit

Thalenit; rosa bis rötlichbraun; Handstück ca 7 x 7 cm; Begleitminerale Allanit, Iimoriit, Keiviit, Tengerit, Thalenit
Collection: Privat - Museum M+M. Sendelbach
Copyright: Michael & Maren S.
Contribution: PriMus1 2016-04-06
Locality: Åskagen-Pegmatit (Torskebäcken) / Persberg / Filipstad, Gemeinde / Värmland, Provinz / Schweden
Thalénit-(Y)
Views (File:
1581775576
): 286
Thalénit-(Y)
Schweden/Värmland, Provinz/Filipstad, Gemeinde/Persberg/Åskagen-Pegmatit (Torskebäcken). Bildbreite 1,1 mm
Copyright: Ulrich Baumgärtl; Contribution: Ulrich Baumgärtl
Collection: Ulrich Baumgärtl
Location: Schweden/Värmland, Provinz/Filipstad, Gemeinde/Persberg/Åskagen-Pegmatit (Torskebäcken)
Mineral: Thalénite-(Y)
Image: 1581775576
License: Usage for Mineralienatlas project only
Thalénit-(Y)

Schweden/Värmland, Provinz/Filipstad, Gemeinde/Persberg/Åskagen-Pegmatit (Torskebäcken). Bildbreite 1,1 mm
Collection: Ulrich Baumgärtl
Copyright: Ulrich Baumgärtl
Contribution: Ulrich Baumgärtl 2020-02-15
Locality: Åskagen-Pegmatit (Torskebäcken) / Persberg / Filipstad, Gemeinde / Värmland, Provinz / Schweden

Collectors Summary

Color fleischrosa, schwarz, braun, grünlich, rosa
Streak color weiß
Lustre Fettglanz
Hardness (Mohs) 6
Fracture muschelig, uneben, splittrig
Crystal System monoklin, P21/n

Chemism

Chemical formula

Y3Si3O10F

Empirical formula (analysis)

(Y2.58Dy0.11Yb0.09Gd0.06Er0.06Ho0.02Sm0.02Tb0.02Lu0.02Nd0.01Tm0.01)Σ3.00 Si3.01O10F0.97OH0.03

Chemical composition

Silicium, Yttrium, Fluor, Sauerstoff

Unit weight: 575.7770684225 u; Number of atoms in the formula: 18

Info

Empirical formula:

(Y2.58Dy0.11Yb0.09Gd0.06Er0.06Ho0.02Sm0.02Tb0.02Lu0.02Nd0.01Tm0.01)Si3.01O10F0.97OH0.03

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.01

0.03

0.17

1.0079470

0.0302384
Oxygen

O

30.57

11

61.11

15.9994300

175.9937300
Fluorine

F

3.20

0.97

5.39

18.9984033

18.4284512
Silicon

Si

14.68

3.01

16.72

28.0855300

84.5374453
Yttrium

Y

39.84

2.58

14.33

88.9058520

229.3770982
Neodymium

Nd

0.25

0.01

0.06

144.2430000

1.4424300
Samarium

Sm

0.52

0.02

0.11

150.3630000

3.0072600
Gadolinium

Gd

1.64

0.06

0.33

157.2530000

9.4351800
Terbium

Tb

0.55

0.02

0.11

158.9253420

3.1785068
Dysprosium

Dy

2.82

0.1

0.56

162.5001000

16.2500100
Holmium

Ho

0.57

0.02

0.11

164.9303220

3.2986064
Erbium

Er

1.74

0.06

0.33

167.2593000

10.0355580
Thulium

Tm

0.29

0.01

0.06

168.9342120

1.6893421
Ytterbium

Yb

2.70

0.09

0.50

173.0430000

15.5738700
Lutetium

Lu

0.61

0.02

0.11

174.9671000

3.4993420

Analysis wt%

SiO2 : 28.88, Y2O3 : 61.48, La2O3 : 4.15, Ce2O3 : 0.83, Fe2O3 : 0.45, H2O : 3.33, Ln2O3 : 66.46 (Ref: Geologiska Föreningens i Stockholm 06)

Strunz 9th edition incl. updates

9.BJ.20

9: Silikate (Germanate)
B: Gruppensilikate (Sorosilikate)
J: Gruppen(Soro)-Silikate mit Si3O10, Si4O11, etc. Anionen; Kationen in oktahedraler [6] und/oder größerer Koordination
20:

Lapis Classification

VIII/C.33-010

VIII: SILIKATE
C: Gruppensilikate
33: [Si3O10] 8--Gruppen

Classification by Hölzel

9.BA.200

9: SILICATES
B: Sorosilicates
A: Thortveitite-Group

Dana 8th edition

55.02.01b.02

55: Sorosilicate Minerals
02: Sorosilicates Sorosilicate Si2O7 Groups, Generally with No Additional Anions with cations in [6] coordination
01b: Thortveitite related species

IMA status

Anerkannt von der CNMNC - CNMNC Newsletter No. 22, October 2014, page 1247; Mineralogical Magazine, 78, 1241-1248.

Mineral status

anerkanntes Mineral

Optical Properties

Color

fleischrosa, schwarz, braun, grünlich, rosa

Streak color

weiß

Diaphaneity (Transparency)

transparent, durchscheinend, opak

Lustre

Fettglanz

max. Birefringence

0.013
Birefringence chart\! Thalénite-(Y) title=Birefringence chart Thalénite-(Y)

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.716

RI value β

1.723

RI value γ / ε

1.729

Ri mean

1.723

2V angle

Biaxial (-) 68° - 79°

Optical Data Luminescence

Color LW-UV (365nm)

nicht fluoreszierend

MW-UV (320nm)

nicht fluoreszierend

Color SW-UV (254nm)

  

grünlich gelb

SW-UV Other Colors

          

gelblich weiß, blassgelb, grünlich gelb, grünlich weiß, gelblich

Afterglow (Persistant Luminescence)

keine Daten

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

10.38

Cell parameters b (Å)

11.16

Cell parameters c (Å)

7.319

Cell parameters a/b or c/a

0.930

Cell parameters c/b

0.656

Cell parameters α

90°

Cell parameters β

97.23

Cell parameters γ

90°

Z

4

Volume (ų)

841.098

X-Ray Powder Diffraction

5.52(50),
3.79(50),
3.453(40),
3.276(50),
3.159(50),
3.104(100),
2.808(60),
2.753(40)
XRD chart Thalénite-(Y)

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)

6

VHN (Hardness Vickers)

960 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

4.16 - 4.41 (gemessen) 4.29 (berechnet)

4.547 ( ρ calc. Mineralienatlas )

Fracture

muschelig, uneben, splittrig

Tenacity

spröde

Preface

Occurrences

In Granit-Pegmatiten

Associations

Fluocerit, Fergusonit, Gadolinit, Zirkon, Magnetit, Allanit, Fluorit, Quarz, Mikroklin.

Name from

Nach Tobias Robert Thalén (1827-1905), schwedischer Physiker und Astronom

Author (Name, Year)

Benedicks, 1898

References

American Mineralogist 71 (1986), 188

CNMNC Newsletter No. 22, October 2014, page 1247; Mineralogical Magazine, 78, 1241-1248.

Škoda, R., Plášil, J., Jonsson, E., Čopjaková, R., Langhof, J., Vašinová Galiová, M. - Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79 (2015), 965-983.

Other languages

German

Thalénit-(Y)

Spanish

Thalénita-(Y)

English

Thalénite-(Y)

French

Thalénite-(Y)

Russian

Таленит-(Y)

CNMNC symbol

Symbol

Tlé-Y

Locations with GPS information

IDs

GUSID (Global unique identifier short form) 3t_4EblUQ0KEgiyrmAaWnQ
GUID (Global unique identifier) 11F8DFDE-54B9-4243-8482-2CAB9806969D
Database ID 3815