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Gadolinite-(Nd)

Collectors Summary

Crystal System monoklin, P21/c

Chemism

Chemical formula

Nd2Fe2+Be2O2(SiO4)2

Chemical composition

Beryllium, Eisen, Neodymium, Silicium, Sauerstoff

Unit weight: 578.5209246 u; Number of atoms in the formula: 17

Info

Empirical formula:

Nd2FeBe2O2(SiO4)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Beryllium

Be

3.12

2

11.76

9.0121823

18.0243646
Oxygen

O

27.66

10

58.82

15.9994300

159.9943000
Silicon

Si

9.71

2

11.76

28.0855300

56.1710600
Iron

Fe

9.65

1

5.88

55.8452000

55.8452000
Neodymium

Nd

49.87

2

11.76

144.2430000

288.4860000

Strunz 9th edition incl. updates

9.AJ.20

9: Silikate (Germanate)
A: Inselsilikate (Nesosilikate)
J: Insel(Neso)silikate mit BO3 Triangeln und /oder B[4], Be[4] Tetraedern, eckenteilend mit SiO4
20:Datolith-Gruppe

Lapis Classification

VIII/B.29-064

VIII: SILIKATE
B: Inselsilikate mit tetraederfremden Anionen
29: Kationen mit Koordinationszahlen zwischen [8] und [12]; Beryllium- und Bor-Inselsilikate; Datolith/Gadolinit-Gruppe

IMA status

anerkannt - Mineralogical Magazine, 2016, Vol. 80(5), pp. 915-922

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Gadolinite supergroup  ⇒ Gadolinite Group  ⇒ Gadolinite subgroup

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/c

Cell parameters a (Å)

4.8216(3)

Cell parameters b (Å)

7.6985(4)

Cell parameters c (Å)

10.1362(6)

Cell parameters a/b or c/a

0.626

Cell parameters c/b

1.317

Cell parameters α

90°

Cell parameters β

90.234(4)°

Cell parameters γ

90°

Volume (ų)

376.243

Crystal structure

Gadolinit-Datolit-Gruppe, Struktur bestimmt

X-Ray Powder Diffraction

4.83(72), 3.603(37), 3.191(52), 3.179(32), 3.097(35), 3.014(35), 2.888(100), 2.607(49)
XRD chart Gadolinite-(Nd)

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

Crystals 3D

Open larger view

(Co-)Type locality

(Co-)Type locality

Schweden/Västmanlands, Provinz/Norberg/Malmkärra-Gruben

Type material

Moravian Museum, Brno, Zelnýtrh 6, CZ-659 37 Brno, Tschechische Republik

Collection number of type material

B 11298

Preface

Author (Name, Year)

Radek Škoda*, Jakub Plášil, Renata Čopjaková, Milan Novák, Erik Jonsson, Michaela Vašinová Galiová und Dan Holtstam (2016)

References

Škoda, R., Plášil, J.,Čopjaková,R., Novák, M., Jonsson, E., Vašinová Galiová,M. and Holtstam, D. (2016) Gadolinite-(Nd), IMA 2016-013. CNMNC Newsletter No. 32, August 2016, page 916; Mineralogical Magazine, 80 , 915-922

IMA group assignments

Other languages

German

Gadolinit-(Nd)

English

Gadolinite-(Nd)

Russian

Гадолинит-(Nd)

CNMNC (IMA)-Number

IMA 2016-013

CNMNC symbol

Symbol

Gad-Nd

Locations with GPS information

IDs

GUSID (Global unique identifier short form) G9W-xloweEKopuuzEGFotA
GUID (Global unique identifier) C6BED51B-305A-4278-A8A6-EBB3106168B4
Database ID 8150