Gasparite-(Ce)
A valid IMA mineral species
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About Gasparite-(Ce)
Formula:
Ce(AsO4)
Colour:
Light brown-red
Hardness:
5
Specific Gravity:
5.63 (Calculated)
Crystal System:
Monoclinic
Member of:
Name:
Named after Giovanni Gaspari, mineral collector of Crodo, Italy, who first found the mineral, and for its dominant cerium content.
Type Locality:
Isostructural with:
The arsenate analogue of monazite-(Ce).
The Ce-analogue of gasparite-(La) and Unnamed (Nd-dominant Gasparite).
The Ce-analogue of gasparite-(La) and Unnamed (Nd-dominant Gasparite).
Unique Identifiers
Mindat ID:
1656
Long-form identifier:
mindat:1:1:1656:4
GUID
(UUID V4):
(UUID V4):
9a279a8b-fb4c-4493-85b0-7bbf521ead1e
IMA Classification of Gasparite-(Ce)
Approved
First published:
1987
Classification of Gasparite-(Ce)
8.AD.50
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
38.4.3.6
38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4
38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4
20.4.11
20 : Arsenates (also arsenates with phosphate, but without other anions)
4 : Arsenates of Group III metals (Al, rare earths)
20 : Arsenates (also arsenates with phosphate, but without other anions)
4 : Arsenates of Group III metals (Al, rare earths)
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 |
|---|---|---|
| Gsp-Ce | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Gasparite-(Ce)
Colour:
Light brown-red
Streak:
White
Hardness:
5 on Mohs scale
Hardness:
VHN100=327(5) - Vickers
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Conchoidal
Density:
5.63 g/cm3 (Calculated)
Optical Data of Gasparite-(Ce)
Type:
Biaxial (+)
RI values:
nα = 1.810(8) nβ = 1.825(8) nγ = 1.920(1)
2V:
Measured: 40° to 45°, Calculated: 46°
Max Birefringence:
δ = 0.110
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v
Optical Extinction:
X = b; Z ∧ c = 4°.
Pleochroism:
Non-pleochroic
Chemistry of Gasparite-(Ce)
Mindat Formula:
Ce(AsO4)
Elements listed:
Crystallography of Gasparite-(Ce)
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 6.937(3) Å, b = 7.137(4) Å, c = 6.738(6) Å
β = 104.69(5)°
β = 104.69(5)°
Ratio:
a:b:c = 0.972 : 1 : 0.944
Unit Cell V:
322.69 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Pseudorhombohedral crystals. Forms include {100}, {001}, {110}, {101}.
Twinning:
None observed.
Comment:
Space group P21/n.
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
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.156 Å | (100) |
| 3.355 Å | (77) |
| 2.966 Å | (70) |
| 2.003 Å | (45) |
| 2.709 Å | (44) |
| 3.035 Å | (34) |
| 1.7787 Å | (34) |
Comments:
Pizzo Cervandone, Italy. The data are from the type description.
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 5: Initiation of plate tectonics | <3.5-2.5 |
| 40 : Regional metamorphism (greenschist, amphibolite, granulite facies) | |
| Stage 7: Great Oxidation Event | <2.4 |
| 47d : [Arsenates, antimonates, selenates, bismuthinates] | |
| 47h : [Near-surface oxidized, dehydrated minerals] |
Type Occurrence of Gasparite-(Ce)
General Appearance of Type Material:
Rims to complete pseudomorphs of synchysite crystal aggregates. As pseudorhombohedral crystals, to 0.5 mm.
Place of Conservation of Type Material:
Natural History Museum, Basel, Switzerland, 30653.
Mineralogical Institute, Basel, Switzerland.
University, Basel, Switzerland.
Mineralogical Institute, Basel, Switzerland.
University, Basel, Switzerland.
Geological Setting of Type Material:
In fissures formed by amphibolite-grade metamorphism of metasedimentary rocks.
Associated Minerals at Type Locality:
Synonyms of Gasparite-(Ce)
Gasparite (in part)
Other Language Names for Gasparite-(Ce)
German:Gasparit-(Ce)
Russian:Гаспарит-(Ce)
Relationship of Gasparite-(Ce) to other Species
Member of:
Other Members of this group:
| Cheralite | CaTh(PO4)2 | Mon. 2/m |
| Gasparite-(La) | La(AsO4) | Mon. 2/m |
| Huttonite | ThSiO4 | Mon. 2/m |
| Monazite | REE(PO4) | |
| Monazite-(Gd) | Gd(PO4) | Mon. |
| Rooseveltite | Bi(AsO4) | Mon. 2/m |
| Unnamed (Nd-dominant Gasparite) | NdAsO4 | Mon. 2/m |
Common Associates
Associated Minerals Based on Photo Data:
| 8 photos of Gasparite-(Ce) associated with Quartz | SiO2 |
| 4 photos of Gasparite-(Ce) associated with Opal-AN | SiO2 · nH2O |
| 1 photo of Gasparite-(Ce) associated with Hydroxylbastnäsite-(Nd) | Nd(CO3)(OH) |
| 1 photo of Gasparite-(Ce) associated with Calcybeborosilite-(Y) | (Y,Ca)2(◻,Fe2+)(B,Be)2[SiO4]2(OH,O)2 |
| 1 photo of Gasparite-(Ce) associated with Bastnäsite-(Y) | Y(CO3)F |
| 1 photo of Gasparite-(Ce) associated with Chernovite-(Y) | Y(AsO4) |
| 1 photo of Gasparite-(Ce) associated with Deveroite-(Ce) | Ce2(C2O4)3 · 10H2O |
| 1 photo of Gasparite-(Ce) associated with Tripuhyite | Fe3+Sb5+O4 |
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.35 | Xenotime-(Gd) | Gd(PO4) |
| 8.AD.40 | Pucherite | Bi(VO4) |
| 8.AD.45 | Ximengite | Bi(PO4) |
| 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] |
Fluorescence of Gasparite-(Ce)
Bright green fluorescence with a common quartz lamp ("quick tanning lamp").
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-(Ce)
mindat.org URL:
https://www.mindat.org/min-1656.html
Please feel free to link to this page.
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References for Gasparite-(Ce)
Reference List:
Jambor, John L., Ercit, Ernst A. J. Burke T. Scott, Grice, Joel D. (1988) New Mineral Names. American Mineralogist, 73 (11-12) 1492-1499
Localities for Gasparite-(Ce)
symbol to view information about a locality.
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.
Austria | |
| abstract in Mitt. Österr. Mineral. ... +2 other references |
Germany | |
| Kolitsch et al. (2005) +1 other reference |
Italy | |
| Balestra et al. (2020) |
| Matteo Giai et al. (2023) +1 other reference |
| Graeser et al. (1987) +4 other references |
| Albertini C. (1991) +1 other reference | |
| Caboni et al. (2018) |
| Mancini (2000) |
North Macedonia | |
| Ermolaeva et al. (2019) |
Norway | |
| Raade et al. (2006) |
Russia | |
| Alekseev et al. (2015) |
| Pavel.M. Kartashov (n.d.) |
| Pavel.M. Kartashov (n.d.) | |
| Pavel.M. Kartashov (n.d.) |
| Gorelikova et al. (2021) |
Slovakia | |
| Ondrejka M. et al. (Western Carpathians, Slovakia) |
South Africa | |
| Mitchell et al. (2004) |
Sweden | |
| Gatedal (n.d.) |
| Holtstam +7 other references |
Switzerland | |
| Roth et al. (2011) |
| Wulser PA (2002) |
| |
| Stalder et al. (1998) | |
| Cuchet et al. (2005) |
Tajikistan | |
| Atali Agakhanov analytical data |
USA | |
| Min.Rec.: 20 (5) |
| Min Rec 22:5 p384 |
| Northrop et al. (1996) |
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Wanni glacier - Scherbadung area, Binn, Goms, Valais, Switzerland