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Isomertieite Mineral Data
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General Isomertieite Information
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Chemical Formula: |
Pd11Sb2As2 |
Composition: |
Molecular Weight = 1,563.96 gm |
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Antimony 15.57 % Sb |
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Arsenic 9.58 % As |
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Palladium 74.85 % Pd |
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______ |
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100.00 % |
Empirical Formula: |
Pd11Sb2As2 |
Environment: |
In heavy-metal concentrates from Precambrian iron-precious metal deposits. |
IMA Status: |
Approved IMA 1974 |
Locality: |
From Itabira, Minas Gerais, Brazil. Link to MinDat.org Location Data. |
Name Origin: |
For its structural and compositional relationship to mertieite-I. |
Name Pronunciation: |
Isomertieite + Pronunciation |
Synonym: |
Guanglinite |
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Isomertieite Image |
Images:
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Isomertieite Arsenopalladinite Gold Bornite
Comments: Light grayish grain of intimately intergrown isomertieite and arsenopalladinite (in the center of the picture), with pale yellow gold and brownish to violet bornite. Polished section (from microprobe analysis) in reflected light.
Location: Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia.
Scale: Picture size 0.1 mm.
© Thomas Witzke / Abraxas-Verlag |
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Isomertieite Crystallography
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Cell Dimensions: |
a = 12.283, Z = 8; V = 1,853.16 Den(Calc)= 11.21 |
Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m |
X Ray Diffraction: |
By Intensity(I/Io): 2.167(1), 2.356(0.9), 0.86(0.8), |
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Physical Properties of Isomertieite
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Cleavage: |
{???} Perfect |
Color: |
Silver white. |
Density: |
10.33 |
Diaphaneity: |
Opaque |
Hardness: |
5.5 - Knife Blade |
Luster: |
Metallic |
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Optical Properties of Isomertieite
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RL Anisotrophism: |
Weak in shades of dull brown. |
RL Color: |
Pale yellow white. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Isomertieite in Air
λ |
R |
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∑ R(λ) |
400 nm |
42.80 |
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420 nm |
43.20 |
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440 nm |
44.05 |
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460 nm |
45.50 |
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470 nm |
46.40 |
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480 nm |
47.30 |
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500 nm |
49.40 |
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520 nm |
51.50 |
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540 nm |
53.50 |
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546 nm |
54.00 |
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560 nm |
54.95 |
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580 nm |
56.20 |
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589 nm |
56.80 |
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600 nm |
57.35 |
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620 nm |
58.40 |
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640 nm |
59.20 |
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650 nm |
59.45 |
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660 nm |
59.70 |
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680 nm |
60.20 |
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700 nm |
60.70 |
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Standardized Intensity (100%) Reflection Spectra of Isomertieite in Oil
λ |
R |
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∑ R(λ) |
400 nm |
29.40 |
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420 nm |
30.00 |
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440 nm |
31.00 |
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460 nm |
32.40 |
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470 nm |
33.30 |
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480 nm |
34.30 |
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500 nm |
36.40 |
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520 nm |
38.50 |
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540 nm |
40.50 |
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546 nm |
40.90 |
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560 nm |
42.10 |
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580 nm |
43.30 |
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589 nm |
43.95 |
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600 nm |
44.55 |
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620 nm |
45.65 |
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640 nm |
46.40 |
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650 nm |
46.65 |
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660 nm |
47.00 |
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680 nm |
47.45 |
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700 nm |
47.90 |
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Calculated Relative Intensity Colors of Isomertieite in Air
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
200% |
R |
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Calculated Relative Intensity Colors of Isomertieite in Oil
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
280% |
R |
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Calculated Properties of Isomertieite
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Electron Density: |
Bulk Density (Electron Density)=9.66 gm/cc note: Specific Gravity of Isomertieite =11.2 gm/cc. |
Fermion Index: |
Fermion Index = 0.16 Boson Index = 0.84 |
Photoelectric: |
PEIsomertieite = 241.98 barns/electron U=PEIsomertieite x rElectron Density=2,337.98 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Isomertieite is Not Radioactive |
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Isomertieite Classification
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Dana Class: |
02.16.02.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.16)with miscellaneous formulae |
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(02.16.02)Dana Group |
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02.16.02.01 Isomertieite Pd11Sb2As2 F d3m 4/m 3 2/m |
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02.16.02.02 Miessiite! Pd11Te2Se2 F d3m 2/m 3 |
Strunz Class: |
02.AC.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.A - Simple Sulfides, Selenides, etc |
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02.AC -Alloys of metalloids with PGE |
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02.AC.15a Isomertieite Pd11Sb2As2 F d3m 4/m 3 2/m |
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02.AC.15a Miessiite! Pd11Te2Se2 F d3m 2/m 3 |
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Other Isomertieite Information
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References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(CanMin, v45:1221) |
See Also: |
Links to other databases for Isomertieite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Isomertieite
Pd11Sb2As2
Dana No: 02.16.02.01 Strunz No: 02.AC.15a
Locality:
Notes:
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