Jagüéite
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About Jagüéite
Formula:
Cu2Pd3Se4
Colour:
Creamy yellowish
Lustre:
Metallic
Hardness:
5
Specific Gravity:
8.01 (Calculated)
Crystal System:
Monoclinic
Name:
Named after the village of Jagüé, which is the closest settlement to El Chire, the mine where the mineral was discovered.
First Recorded Locality:
Copper analogue of chrisstanleyite.
Occurs in a telethermal selenide vein-type deposit.
Originally called "jaguéite"; renamed in 2010 (IMA 10-D).
Occurs in a telethermal selenide vein-type deposit.
Originally called "jaguéite"; renamed in 2010 (IMA 10-D).
Classification of Jagüéite
IMA status notes:
Published without approval
Approval history:
Published without approval: 2010
2/A.06-28
2.BC.15
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
Physical Properties of Jagüéite
Metallic
Transparency:
Opaque
Colour:
Creamy yellowish
Streak:
Black
Hardness:
5 on Mohs scale
Hardness:
VHN25=464 - 772 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
8.01 g/cm3 (Calculated)
Optical Data of Jagüéite
Anisotropism:
moderate: brownish - bluish - greenish rotation tints
Bireflectance:
Weak to moderate
Reflectivity:
| 460 nm | R1=40.4% | R2=48.4% |
| 540 nm | R1=44.2% | R2=50.7% |
| 580 nm | R1=44.7% | R2=50.6% |
| 640 nm | R1=45.1% | R2=50.6% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 50.7%.
R1 shown in black, R2 shown in red
Colour in reflected light:
buff to grey-green
Internal Reflections:
not observed
Pleochroism:
Weak
Comments:
Light buff to creamy buff
Chemical Properties of Jagüéite
Formula:
Cu2Pd3Se4
Elements listed:
Crystallography of Jagüéite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 5.672 Å, b = 9.91 Å, c = 6.264 Å
β = 115.4°
β = 115.4°
Ratio:
a:b:c = 0.572 : 1 : 0.632
Unit Cell V:
318.1 ų
Z:
2
Twinning:
Prominent spindle-shaped (almost identical to those in chrisstanleyite)
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.776 Å | (22) |
| 2.759 Å | (23) |
| 2.676 Å | (100) |
| 2.630 Å | (64) |
| 2.508 Å | (31) |
| 2.269 Å | (27) |
First Recorded Occurrence of Jagüéite
General Appearance of First Recorded Material:
anhedral grains that lack a distinct morphology. Aggregates of intergrown jaguéite and chrisstanleyite measure up to 100 × 20 µm; single grains, however, do not exceed 60 µm
Geological Setting of First Recorded Material:
A telethermal selenide vein-type deposit
Associated Minerals at First Recorded Locality:
Synonyms of Jagüéite
Other Language Names for Jagüéite
German:Jaguéit
Related Minerals - Nickel-Strunz Grouping
| 2.BC. | UM2004-45-Se:AgHgPd | (Ag,Cu)6Hg2Pd2Se3 | |
| 2.BC. | Coldwellite | Pd3Ag2S | Iso. 4 3 2 : P43 3 2 |
| 2.BC.05 | Palladseite | Pd17Se15 | Iso. m3m (4/m 3 2/m) |
| 2.BC.05 | Miassite | Rh17S15 | Iso. |
| 2.BC.05 | UM2000-47-S:CuFePdPt | PtPd(Fe,Cu)S | |
| 2.BC.10 | Oosterboschite | (Pd,Cu)7Se5 | Orth. |
| 2.BC.15 | Chrisstanleyite | Ag2Pd3Se4 | Mon. |
| 2.BC.20 | Keithconnite | Pd20Te7 | Trig. |
| 2.BC.25 | Vasilite | (Pd,Cu)16(S,Te)7 | Iso. |
| 2.BC.30 | Telluropalladinite | Pd9Te4 | Mon. |
| 2.BC.35 | Luberoite | Pt5Se4 | Mon. 2/m : P21/b |
| 2.BC.40 | Oulankaite | (Pd,Pt)5(Cu,Fe)4SnTe2S2 | Tet. |
| 2.BC.45 | Telargpalite | (Pd,Ag)3(Te,Bi) | Iso. |
| 2.BC.50 | Temagamite | Pd3HgTe3 | Trig. 3m : P3m1 |
| 2.BC.55 | Sopcheite | Ag4Pd3Te4 | Orth. |
| 2.BC.60 | Laflammeite | Pd3Pb2S2 | Mon. |
| 2.BC.65 | Tischendorfite | Pd8Hg3Se9 | Orth. |
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.
References for Jagüéite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Paar, W.H., Werner, H., Topa, D., Makovicky, E., Sureda, R.J., De Brodtkorb, M.K., Nickel, E.H., and Putz, H. (2004) Jagueite, Cu2Pd3Se4, a new mineral species from El Chire, La Rioja, Argentina. Canadian Mineralogist: 42(6): 1745-1755.
Internet Links for Jagüéite
mindat.org URL:
https://www.mindat.org/min-26391.html
Please feel free to link to this page.
Please feel free to link to this page.
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Localities for Jagüéite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for 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.
Argentina (FRL) | |
| Canadian Mineralogist (2004): 42(6): 1745-1755.; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127. |
Australia | |
| The Canadian Mineralogist, Vol. 42, pp. 1745-1755 (2004) |
DR Congo | |
| Wilson, W. E. (2018) The Musonoi mine, Kolwezi District, Lualaba Province, Democratic Republic of the Congo. Mineralogical Record 49:236-304 |
El Chire prospect, General Lamadrid department, La Rioja Province, Argentina