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Jagueite Mineral Data
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General Jagueite Information
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 Chemical Formula: |
Cu2Pd3Se4 |
| Composition: |
Molecular Weight = 768.13 gm |
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Copper 15.80 % Cu |
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Silver 1.54 % Ag |
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Palladium 42.26 % Pd |
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Selenium 40.40 % Se |
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______ |
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100.00 % |
| Empirical Formula: |
Cu1.91Ag0.11Pd3.05Se3.93 |
| Environment: |
Telethermal selenide vein-type deposit. Cu-analogue of Chrisstanleyite; structure determined |
| IMA Status: |
Approved IMA 2004 (Dana # Added) |
| Locality: |
El Chire prospect, Los Llantenes District of La Rioja Province, Argentina. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the small village of Jague, which is located in the homonymous "Bolson de Jague" (depression of Jague). |
| Synonym: |
IMA2002-060 |
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Jagueite Image |
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Images:
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Jagueite
Comments: Polished section (oil-immersion, plain polarized on left, cross-polarized on right) showing lobate grains of chrisstanleyite (Chr), replaced by jaguéite (Jag), with tiemannite (Tie). The jaguéite twinning is evident by banding in both images.
Location: El Chire prospect, Los Llantenes District of La Rioja Province, Argentina..
Scale: Picture size 150 µm.
© Canadian Mineralogist |
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Jagueite Crystallography
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| Axial Ratios: |
a:b:c =0.5723:1:0.632 |
| Cell Dimensions: |
a = 5.672, b = 9.91, c = 6.264, Z = 2; beta = 115.4° V = 318.06 Den(Calc)= 8.02 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c |
| X Ray Diffraction: |
By Intensity(I/Io): 2.676(1)(121), 2.63(0.64)(122), 1.92(0.36)(123),
2.508(0.31)(202), 2.269(0.27)(041), 1.95(0.27)(122), 1.866(0.24)(241), 2.759(0.23)(1 |
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Physical Properties of Jagueite
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| Cleavage: |
None |
| Color: |
Silvery gray. |
| Diaphaneity: |
Opaque |
| Fracture: |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
| Habit: |
Intergrown Crystals - Occurs as intergrown crystalline aggregates |
| Habit: |
Twinning Common - Crystals are usually twinned. |
| Hardness: |
5 - Apatite |
| Luster: |
Metallic |
| Streak: |
black |
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Optical Properties of Jagueite
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| RL Anisotrophism: |
Moderate. |
| RL Bireflectance: |
Weak to moderate in air, distinct in oil. |
| RL Color: |
Creamy yellowish with no internal reflections. |
| RL Pleochroism: |
Light buff to creamy buff. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Jagueite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
36.10 |
46.00 |
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| 420 nm |
37.50 |
46.90 |
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| 440 nm |
39.00 |
48.00 |
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| 460 nm |
40.50 |
49.20 |
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| 470 nm |
41.00 |
50.10 |
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| 480 nm |
41.70 |
50.60 |
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| 500 nm |
42.80 |
51.50 |
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| 520 nm |
43.50 |
51.80 |
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| 540 nm |
44.00 |
51.80 |
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| 546 nm |
44.10 |
51.80 |
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| 560 nm |
44.40 |
51.80 |
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| 580 nm |
44.60 |
51.70 |
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| 589 nm |
44.60 |
51.70 |
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| 600 nm |
44.70 |
51.80 |
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| 620 nm |
45.00 |
51.90 |
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| 640 nm |
45.10 |
52.00 |
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| 650 nm |
45.10 |
52.00 |
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| 660 nm |
45.30 |
52.00 |
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| 680 nm |
45.60 |
52.10 |
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| 700 nm |
45.80 |
52.30 |
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Standardized Intensity (100%) Reflection Spectra of Jagueite in Oil
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
23.70 |
28.50 |
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| 420 nm |
24.50 |
29.60 |
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| 440 nm |
25.80 |
30.60 |
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| 460 nm |
26.70 |
31.70 |
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| 470 nm |
27.00 |
31.90 |
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| 480 nm |
27.60 |
32.30 |
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| 500 nm |
28.20 |
33.00 |
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| 520 nm |
28.70 |
33.50 |
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| 540 nm |
29.20 |
33.80 |
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| 546 nm |
29.20 |
33.80 |
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| 560 nm |
29.30 |
33.70 |
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| 580 nm |
29.40 |
33.70 |
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| 589 nm |
29.40 |
33.70 |
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| 600 nm |
29.70 |
33.70 |
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| 620 nm |
29.90 |
33.70 |
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| 640 nm |
30.10 |
34.00 |
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| 650 nm |
30.20 |
34.10 |
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| 660 nm |
30.30 |
34.20 |
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| 680 nm |
30.40 |
34.30 |
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| 700 nm |
30.70 |
34.30 |
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Calculated Relative Intensity Colors of Jagueite in Air
Relative
Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
230% |
| R1 |
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| R2 |
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Calculated Relative Intensity Colors of Jagueite in Oil
Relative
Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
340% |
| R1 |
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| R2 |
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Calculated Properties of Jagueite
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| Electron Density: |
Bulk Density (Electron Density)=6.98 gm/cc
note: Specific Gravity of Jagueite =8.02 gm/cc.
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| Fermion Index: |
Fermion Index = 0.12
Boson Index = 0.88 |
| Photoelectric: |
PEJagueite = 145.74 barns/electron
U=PEJagueite x rElectron Density=1,017.95 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jagueite is Not Radioactive |
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Jagueite Classification
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| Dana Class: |
02.16.10.03 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.10)Chrisstanleyite Group |
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02.16.10.01 Sopcheite Ag4Pd3Te4 Unk Ortho |
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02.16.10.02 Chrisstanleyite! Ag2Pd3Se4 P 21/c 2/m |
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02.16.10.03 Jagueite! Cu2Pd3Se4 P 21/c 2/m |
| Strunz Class: |
02.BC.15 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BC -With Rh, Pd, Pt, etc. |
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02.BC.15 Chrisstanleyite! Ag2Pd3Se4 P 21/c 2/m |
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02.BC.15 Jagueite! Cu2Pd3Se4 P 21/c 2/m |
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Other Jagueite Information
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| References: |
NAME( CanMin, 42:1745) PHYS. PROP.(CanMin, 42:1745) OPTIC PROP.(CanMin, 42:1745) |
| See Also: |
Links to other databases for Jagueite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Print or Cut-and-Paste your Jagueite Specimen Label here :
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Jagueite
Cu2Pd3Se4
Dana No: 02.16.10.03 Strunz No: 02.BC.15
Locality:
Notes:
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