Xenotime-(Gd)
A valid IMA mineral species
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Formula:
Gd(PO4)
Crystal System:
Tetragonal
Member of:
Name:
For the gadolinium content of xenotime
Another Gd-dominant species after monazite-(Gd) and lepersonnite-(Gd) (without mentioning the unnamed species).
Unique Identifiers
Mindat ID:
471000
Long-form identifier:
mindat:1:1:471000:0
GUID
(UUID V4):
(UUID V4):
5dd5c64d-cc6f-4b90-a394-b01c4c3111aa
IMA Classification of Xenotime-(Gd)
Approved, Pending publication
Classification of Xenotime-(Gd)
8.AD.35
8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Xtm-Gd | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Chemistry of Xenotime-(Gd)
Mindat Formula:
Gd(PO4)
Elements listed:
Crystallography of Xenotime-(Gd)
Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I41/amd
Setting:
I41/amd
Cell Parameters:
a = 6.9589(5) Å, c = 6.0518(6) Å
Ratio:
a:c = 1 : 0.87
Unit Cell V:
293.07 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
4.566 Å | (43) |
3.479 Å | (100) |
2.768 Å | (18) |
2.578 Å | (63) |
2.460 Å | (19) |
2.166 Å | (20) |
1.839 Å | (19) |
1.780 Å | (53) |
Type Occurrence of Xenotime-(Gd)
Place of Conservation of Type Material:
in the collections of the Slovak National Museum, Natural History Museum, Vajanského nábrežie 2, PO Box 13, 81006 Bratislava, Slovakia, catalogue number M20412
Relationship of Xenotime-(Gd) to other Species
Member of:
Other Members of this group:
Chernovite-(Y) | Y(AsO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Pretulite | Sc(PO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Wakefieldite-(Ce) | Ce(VO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Wakefieldite-(La) | La(VO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Wakefieldite-(Nd) | Nd(VO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Wakefieldite-(Y) | Y(VO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Xenotime-(Y) | Y(PO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Xenotime-(Yb) | Yb(PO4) | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
Related Minerals - Strunz-mindat Grouping
8.AD. | Keplerite | Ca9(Ca0.5◻0.5)Mg(PO4)7 |
8.AD. | Deynekoite | Ca9◻Fe3+(PO4)7 |
8.AD. | Mazorite | Ba3(PO4)2 |
8.AD. | Monazite-(Gd) | Gd(PO4) |
8.AD.05 | Nahpoite | Na2(PO3OH) |
8.AD.10 | Monetite | Ca(PO3OH) |
8.AD.10 | Weilite | Ca(HAsO4) |
8.AD.10 | Švenekite | Ca(H2AsO4)2 |
8.AD.15 | Archerite | (K,NH4)(H2PO4) |
8.AD.15 | Biphosphammite | NH4(H2PO4) |
8.AD.20 | Phosphammite | (NH4)2(PO3OH) |
8.AD.25 | Buchwaldite | NaCa(PO4) |
8.AD.30 | Schultenite | Pb(HAsO4) |
8.AD.35 | Chernovite-(Y) | Y(AsO4) |
8.AD.35 | Dreyerite | Bi(VO4) |
8.AD.35 | Wakefieldite-(Ce) | Ce(VO4) |
8.AD.35 | Wakefieldite-(Y) | Y(VO4) |
8.AD.35 | Xenotime-(Y) | Y(PO4) |
8.AD.35 | Chernovite-(Ce) | (Ce,Y)(AsO4) |
8.AD.35 | Pretulite | Sc(PO4) |
8.AD.35 | Xenotime-(Yb) | Yb(PO4) |
8.AD.35 | Wakefieldite-(La) | La(VO4) |
8.AD.35 | Wakefieldite-(Nd) | Nd(VO4) |
8.AD.40 | Pucherite | Bi(VO4) |
8.AD.45 | Ximengite | Bi(PO4) |
8.AD.50 | Gasparite-(Ce) | Ce(AsO4) |
8.AD.50 | Monazite-(Ce) | Ce(PO4) |
8.AD.50 | Monazite-(La) | La(PO4) |
8.AD.50 | Monazite-(Nd) | Nd(PO4) |
8.AD.50 | Rooseveltite | Bi(AsO4) |
8.AD.50 | Cheralite | CaTh(PO4)2 |
8.AD.50 | Monazite-(Sm) | Sm(PO4) |
8.AD.50 | UM2005-35-VO:CaFePSiTh | (Th,Ca)(VO4,SiO4,PO4) |
8.AD.50 | Gasparite-(La) | La(AsO4) |
8.AD.55 | Tetrarooseveltite | Bi(AsO4) |
8.AD.60 | Chursinite | [Hg2]2+Hg2+2[AsO4]2 |
8.AD.65 | Clinobisvanite | Bi(VO4) |
8.AD.70 | Gurimite | Ba3(VO4)2 |
8.AD.75 | Picaite | NaCa[AsO3OH][AsO2(OH)2] |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Xenotime-(Gd)
mindat.org URL:
https://www.mindat.org/min-471000.html
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Please feel free to link to this page.
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References for Xenotime-(Gd)
Localities for Xenotime-(Gd)
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Slovakia (TL) | |
| Ondrejka et al. (2024) |