Gasparite Group
A group of related mineral species
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About Gasparite Group
Formula:
REE(AsO4)
Member of:
This page provides mineralogical data about Gasparite Group.
Unique Identifiers
Mindat ID:
471268
Long-form identifier:
mindat:1:1:471268:4
Chemistry of Gasparite Group
Mindat Formula:
REE(AsO4)
Chemical Analysis
Oxide wt%:
| 1 | |
|---|---|
| SO3 | 0.04 % |
| P2O5 | 3.61 % |
| V2O5 | 11.35 % |
| As2O5 | 21.39 % |
| SiO2 | 0.23 % |
| ThO2 | 2.49 % |
| La2O3 | 28.42 % |
| Ce2O3 | 1.79 % |
| Pr2O3 | 7.64 % |
| Nd2O3 | 18.69 % |
| Sm2O3 | 0.56 % |
| Gd2O3 | 0.03 % |
| (HREE2O3) (predicted) | 0.07 % |
| Fe2O3* | 0.11 % |
| CaO | 0.29 % |
| SrO | 0.44 % |
| PbO | 0.01 % |
| Total: | 97.16 % |
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 2 | (La0.59Ce0.37Nd0.02Ca0.02Th0.01)1.01[(As0.81P0.16Si0.02S0.02)1.01O4] |
| 3 | (La0.65Ce0.17Nd0.07Ca0.06Mn0.05Pr0.02)1.02[(As0.70V0.28P0.02)1.00O4] |
| 1 | (La0.48Nd0.30Pr0.13Ce0.03Th0.03Ca0.01Sm0.01Sr0.01)[As0.51V0.34P0.14Si0.01O4] |
Sample references:
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0007026 | Gasparite-(Ce) | Kolitsch U, Holtstam D, Gatedal K (2004) Crystal chemistry of REEXO4 compounds (X = P, As, V). I. Paragenesis and crystal structure of phosphatian gasparite-(Ce) from the Kesebol Mn-Fe-Cu deposit, Vastra Gotaland, Sweden European Journal of Mineralogy 16 111-116 | 2004 | Kesebol Mn-Fe-Cu deposit, Vastra Gotaland, Sweden | 0 | 293 | |
| 0010388 | Gasparite-(Ce) | Brahim A, Mongi F M, Amor H (2002) Cerium arsenate, CeAsO4 Acta Crystallographica E58 i98-i99 |  | 2002 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Gasparite Group to other Species
Member of:
Other Members of Monazite Supergroup:
| Cheralite | CaTh(PO4)2 | Mon. 2/m |
| Crocoite | PbCr6+O4 | Mon. 2/m |
| Huttonite | ThSiO4 | Mon. 2/m |
| Monazite Group | REE(PO4) | |
| Rooseveltite | Bi(AsO4) | Mon. 2/m |
Gasparite Group Members:
| Gasparite-(Ce) | Ce(AsO4) | Mon. 2/m |
| Gasparite-(La) | La(AsO4) | Mon. 2/m |
| 'Unnamed (Nd-dominant Gasparite)' | Nd(AsO4) | Mon. 2/m |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
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 Gasparite Group
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https://www.mindat.org/min-471268.html
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References for Gasparite Group
Reference List:
Kolitsch, Uwe; Holtstam, Dan (2004) Crystal chemistry of REEXO4 compounds (X = P, As, V). II. Review of REEXO4 compounds and their stability fields. European Journal of Mineralogy, 16 (1). 117-126 doi:10.1127/0935-1221/2004/0016-0117
Schmidt, Marcus, Müller, Ulf, Cardoso Gil, Raul, Milke, Edgar, Binnewies, Michael (2005) Zum chemischen Transport und zur Kristallstruktur von Seltenerdarsenaten(V) [Chemical vapour transport and crystal structure of rare-earth arsenates(V)]. Zeitschrift für anorganische und allgemeine Chemie, 631 (6). 1154-1162 doi:10.1002/zaac.200400544
Localities for Gasparite Group
Showing 45 localities.
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The 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).
All localities listed without proper references should be considered as questionable.
Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland