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Monazite-(Gd)

Collectors Summary

Crystal System monoklin, P21/n

Chemism

Chemical formula

Gd(PO4)

IMA status

anerkannt - CNMNC Newsletter 70, Okt. 2022 - Nov.2022

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Monazite group

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell parameters a (Å)

6.703(1)

Cell parameters b (Å)

6.914(1)

Cell parameters c (Å)

6.383(1)

Cell parameters a/b or c/a

0.969

Cell parameters c/b

0.923

Cell parameters α

90°

Cell parameters β

103.8(1)°

Cell parameters γ

90°

Z

4

Volume (ų)

287.278

Crystal structure

Monazit-Gruppe

X-Ray Powder Diffraction

3.450(32), 3.227(68), 3.024(100), 2.804(48), 2.394(54), 2.335(25), 2.140(24), 1.833(28)
XRD chart Monazite-(Gd)

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

Physical Properties

Density (g/cm³)

5.831 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Slowakei/Košický kraj/Gelnica, Okres/Prakendorf (Prakovce)/Zimna Voda Uranlagerstätte

Type material

Das Typmaterial ist in den Sammlungen der Abteilung für Mineralogie, Petrologie und Wirtschaftsgeologie der Comenius-Universität, Ilkovičova 6, 842 15, Bratislava, Slowakei, hinterlegt, Katalognummer MMUK7660

Preface

Author (Name, Year)

Martin Ondrejka, Pavel Uher, Štefan Ferenc, Juraj Majzlan, Kilian Pollok, Stanislava Milovská, Tomáš Mikuš, Alexandra Molnárová, Radek Škoda, Richard Kopáčik, L'ubomír Orovčík, und Peter (2022)

References

Martin Ondrejka, Pavel Uher, Štefan Ferenc, Stanislava Milovská, Tomáš Mikuš, Alexandra Molnárová, Radek Škoda, Richard Kopáčik, Peter Bačík - Gadolinium-dominant monazite and xenotime: selective hydrothermal enrichment of middle REE during low-temperature alteration of uraninite, brannerite and fluorapatite (the Zimná Voda REE-U-Au quartz vein, Western Carpathians, Slovakia) - American Mineralogist 2022 https://doi.org/10.2138/am-2022-8418

Ondrejka, M., Uher, P., Ferenc, Š., Majzlan, J., Pollok, K., Milovská, S., Mikuš, T., Molnárová, A., Škoda, R., Kopáčik, R., Orovčík, L., and Bačík, P.: Monazite-(Gd), IMA 2022-055, in: CNMNC Newsletter 70, Eur. J. Mineral., 34, https://doi.org/10.5194/ejm-34-591-2022, 2022.

Martin Ondrejka; Pavel Uher; Štefan Ferenc; Juraj Majzlan; Kilian Pollok; Tomáš Mikuš; Stanislava Milovská; Alexandra Molnárová; Radek Škoda; Richard Kopáčik; Sergii Kurylo; Peter Bačík: Monazite-(Gd), a new Gd-dominant mineral of the monazite group from the Zimná Voda REE–U–Au quartz vein, Prakovce, Western Carpathians, Slovakia. Mineralogical Magazine Vol. 87, Nr. 4 (2023) S. 568-574. doi: 10.1180/mgm.2023.37

IMA group assignments

Other languages

German

Monazit-(Gd)

English

Monazite-(Gd)

CNMNC (IMA)-Number

IMA 2022-055

CNMNC symbol

Symbol

Mnz-Gd

Locations with GPS information

IDs

GUSID (Global unique identifier short form) Ddfy_5kN00WhFpEn5-mghw
GUID (Global unique identifier) FFF2D70D-0D99-45D3-A116-9127E7E9A087
Database ID 9260