Where it forms, where it's found
- Geological setting
a hydrothermal quartz vein with REE–U–Au mineralisation
- Type locality
- Zimná Voda uranium occurrence
- Prakovce
- Gelnica District
- Košice Region
- Slovakia
48.7667°, 20.9134°
1recorded occurrences
Physical
- Density
- 5.26 g/cm³
Optical
- Notes
n = 1.87 calculated from the Gladstone-Dale relationship
Crystallography
- Space group
- I41/amd
- Cell parameters
- a = 6.9589(5) Å · c = 6.0518(6) Å
- Z
- 4
- Type-locality form
rare crystal domains or zones (≤20 μm in size, usually ≤10 μm), in Gd-rich xenotime-(Y) crystals (≤100 μm in size, xenotime II)
Crystal structure
Chemical composition
In other languages
- German
- Xenotim-(Gd)
Classification
Strunz
10th ed.8.AD.35
- 8Phosphates, Arsenates, VanadatesClass
- 8.APhosphates, etc. without additional anions, without H2ODivision
- 8.ADWith only large cationsGroup
- 8.AD.35Xenotime-(Gd)Species
Group, growth & confusion
Literature, links & citation
Citations
- —Ondrejka, M., Bačík, P., Majzlan, J., Uher, P., Ferenc, Š., Števko, M., Čaplovičová, M., Milovská, S., Mikuš, T., Rößler, C., Matthes, C. and Molnárová, A. (2024) Xenotime-(Gd), IMA 2023-091. CNMNC Newsletter 77; Mineralogical Magazine, 88, https://doi.org/10.1180/mgm.2024.5
- 2024Ondrejka, Martin, Bačík, Peter, Majzlan, Juraj, Uher, Pavel, Ferenc, Štefan, Mikuš, Tomáš (2024) 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 doi:10.1180/mgm.2024.62DOI: 10.1180/mgm.2024.62
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Xenotime-(Gd) — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/xenotime-gd-471000},
note = {Accessed 2026-05-11}
}