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| {{Short description|Mineral}} | |||
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| {{Article for deletion/dated|page=Xenotime-(Gd)|timestamp=20241227221821|year=2024|month=December|day=27|substed=yes}} | |||
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| <!-- End of AfD message, feel free to edit beyond this point -->{{Short description|Mineral}} | |||
| {{Infobox mineral | {{Infobox mineral | ||
| | name = Xenotime-(Gd) | | name = Xenotime-(Gd) | ||
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| | caption = | | caption = | ||
| | formula = {{chem2|Gd(PO4)}} | | formula = {{chem2|Gd(PO4)}} | ||
| | IMAsymbol = Xtm-Gd<ref name=Mindat/> | |||
| | strunz = 8.AD.35 | | strunz = 8.AD.35 | ||
| | color = | | color = | ||
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| }} | }} | ||
| ⚫ | '''Xenotime-(Gd)''' is the ] endpoint of ] with the ideal formula {{chem2|Gd(PO4)}}. It is one of the few known ]-dominant ]s. | ||
| '''<code><nowiki>{{</nowiki>]<nowiki>}}</nowiki></code>''' | |||
| ==Discovery== | |||
| ⚫ | '''Xenotime-(Gd)''' is |
||
| Xenotime deposits rich in ] were reported in 2023 from the ] along with other ] enriched in elements classified as medium rare earth elements (MREE).<ref name=Ondrejka2023>{{cite journal |vauthors=Ondrejka M, Uher P, Ferenc S, Milovska S, Mikus T, Molnarova A, Skoda R, Kopacik R, Bacik P | |||
| |date=2023-04-03 |title=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) |url=https://pubs.geoscienceworld.org/msa/ammin/article-abstract/108/4/754/621451/Gadolinium-dominant-monazite-and-xenotime |journal=American Mineralogist |volume=108 |issue=4 |pages=754-768 |doi=10.2138/am-2022-8418 |pmc= |pmid= |bibcode= |access-date=2025-01-01}}</ref> The mineral species '''Xenotime-(Gd)''' was approved by the ] in 2023,<ref name=IMA2023>{{cite journal |vauthors=Olds TA, Emproto C |date=2024-03-27 |title=New Mineral Names |url=https://www.degruyter.com/document/doi/10.2138/am-2024-NMN10949/html |journal=American Mineralogist |volume=109 |issue=4 |pages=799-802 |doi=10.2138/am-2024-NMN10949 |pmc= |pmid= |bibcode=2024MinM...88..613O |access-date=2024-12-27}}</ref> a description of the mineral was published in 2024 based on crystals found within gadolinium rich ] sampled at the Zimná Voda ] vein near ].<ref name=Ondrejka2024>{{cite journal |vauthors=Ondrejka M, Bacik P, Majzlan J, Uher P, Ferenc S, Mikus T, Stevko M, Caplovicova M, Milovska S, Molnarova A, Rössler C, Matthes C |date=2024-11-14 |title=Xenotime-(Gd), a new Gd-dominant mineral of the xenotime group from the Zimná Voda REE–U–Au quartz vein, Prakovce, Western Carpathians, Slovakia |url=https://www.cambridge.org/core/journals/mineralogical-magazine/article/xenotimegd-a-new-gddominant-mineral-of-the-xenotime-group-from-the-zimna-voda-reeuau-quartz-vein-prakovce-western-carpathians-slovakia/BAE272E641CD070077D393E07047A620 |journal=Mineralogical Magazine |volume=88 |issue=5 |pages=613–622 |doi=10.1180/mgm.2024.62 |pmc= |pmid= |bibcode=2024MinM...88..613O |access-date=2024-12-27}}</ref> Besides ], the examined type material bore further ] such as ], ] and ].<ref name=Ondrejka2024/> | |||
| == See also == | == See also == | ||
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| == External links == | == External links == | ||
| * {{commons category-inline}} | |||
| ] | ] | ||
Latest revision as of 01:58, 4 January 2025
Mineral| Xenotime-(Gd) | |
|---|---|
| General | |
| Category | Xenotime group |
| Formula (repeating unit) | Gd(PO4) |
| IMA symbol | Xtm-Gd |
| Strunz classification | 8.AD.35 |
| Crystal system | Tetragonal |
| Identification | |
| Specific gravity | 5.26 g/cm3 (calculated) |
| References | |
Xenotime-(Gd) is the gadolinium endpoint of Xenotime with the ideal formula Gd(PO4). It is one of the few known gadolinium-dominant rare earth minerals.
Discovery
Xenotime deposits rich in gadolinium were reported in 2023 from the Slovak Ore Mountains along with other rare earth minerals enriched in elements classified as medium rare earth elements (MREE). The mineral species Xenotime-(Gd) was approved by the IMA in 2023, a description of the mineral was published in 2024 based on crystals found within gadolinium rich xenotime-(Y) sampled at the Zimná Voda quartz vein near Prakovce. Besides yttrium, the examined type material bore further rare earth elements such as dysprosium, samarium and terbium.
See also
References
- ^ Page Xenotime-(Gd): Mineral information, data and localities on "mindat.org". Hudson Institute of Mineralogy. Retrieved 2024-12-27.
- Ondrejka M, Uher P, Ferenc S, Milovska S, Mikus T, Molnarova A, Skoda R, Kopacik R, Bacik P (2023-04-03). "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. 108 (4): 754–768. doi:10.2138/am-2022-8418. Retrieved 2025-01-01.
- Olds TA, Emproto C (2024-03-27). "New Mineral Names". American Mineralogist. 109 (4): 799–802. Bibcode:2024MinM...88..613O. doi:10.2138/am-2024-NMN10949. Retrieved 2024-12-27.
- ^ Ondrejka M, Bacik P, Majzlan J, Uher P, Ferenc S, Mikus T, Stevko M, Caplovicova M, Milovska S, Molnarova A, Rössler C, Matthes C (2024-11-14). "Xenotime-(Gd), a new Gd-dominant mineral of the xenotime group from the Zimná Voda REE–U–Au quartz vein, Prakovce, Western Carpathians, Slovakia". Mineralogical Magazine. 88 (5): 613–622. Bibcode:2024MinM...88..613O. doi:10.1180/mgm.2024.62. Retrieved 2024-12-27.
External links
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