General Mertieite-I Information
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Chemical Formula: |
Pd11(Sb,As)4 |
Composition: |
Molecular Weight = 1,474.99 gm |
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Antimony 14.03 % Sb |
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Arsenic 6.60 % As |
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Palladium 79.36 % Pd |
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______ |
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100.00 % |
Empirical Formula: |
Pd11Sb1.7As1.3 |
Environment: |
In placer concentrates. |
IMA Status: |
Approved IMA 1973 |
Locality: |
Goodnews Bay, Alaska, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for John B. Mertie (1888-1980), geologist, U.S. Geological Survey. |
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Mertieite-I Crystallography
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Axial Ratios: |
a:c = 1:1.49002 |
Cell Dimensions: |
a = 15.04, c = 22.41, Z = 18; V = 4,390.04 Den(Calc)= 10.04 |
Crystal System: |
HexagonalSpace Group: Unk |
X Ray Diffraction: |
By Intensity(I/Io): 2.279(1), 2.171(0.9), 2.232(0.65), |
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Physical Properties of Mertieite-I
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Color: |
Brass yellow. |
Density: |
10.6 |
Diaphaniety: |
Opaque |
Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
Hardness: |
5.5 - Knife Blade |
Luster: |
Metallic |
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Optical Properties of Mertieite-I
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RL Anisotrophism: |
Distinct. |
RL Color: |
Brassy yellow. |
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Calculated Properties of Mertieite-I
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Electron Density: |
relectron=8.65 gm/cc note: rMertieite-I =10.0 gm/cc. |
Fermion Index |
Fermion Index = 0.17722 Boson Index = 0.82278 |
Photoelectric: |
PEMertieite-I = 245.49 barns/electron U=PEMertieite-I x relectron=2,124.15 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Mertieite-I is Not Radioactive |
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Mertieite-I Classification
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Dana Class: |
2.16.1.1 (2)Sulfides - Including Selenides and Tellurides |
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(2.16)with miscellaneous formulae |
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(2.16.1)Dana Group |
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2.16.1.1 Mertieite-I Pd11(Sb,As)4 Unk Hex |
Strunz Class: |
II/A.05-60 II - Sulfides and sulphosalts |
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II/A - Alloys and alloylike compounds, with metals of the Platinum series, (Palladium) |
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II/A.05 - Atheneite - Genkinite series |
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II/A.05-10 Atheneite (Pd,Hg)3As P 6/mmm 6/m 2/m 2/m |
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II/A.05-20 Vincentite (Pd,Pt)3(As,Sb,Te) Unk Mono |
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II/A.05-30 Stillwaterite Pd8As3 P 3 3 |
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II/A.05-40 Arsenopalladinite Pd8(As,Sb)3 P1 1 |
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II/A.05-50 Isomertieite Pd11Sb2As2 F d3m 4/m 3 2/m |
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II/A.05-60 Mertieite-I Pd11(Sb,As)4 Unk Hex |
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II/A.05-70 Mertieite-II Pd8(Sb,As)3 R 3c 3m |
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II/A.05-80 Stibiopalladinite Pd5Sb2 P 63mc 6mm |
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II/A.05-90 Palladoarsenide Pd2As P 2/m 2/m |
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II/A.05-100 Palladobismutharsenide Pd2(As,Bi) Pmcn,P 21cn Ortho |
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II/A.05-102 Palladodymite! (Pd,Rh)2As P nma 2/m 2/m 2/m |
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II/A.05-105 Rhodarsenide! (Rh,Pd)2As P nma or Pn2 Ortho |
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II/A.05-110 Majakite PdNiAs Unk Hex |
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II/A.05-112 Menshikovite! Pd3Ni2As3 P 63/m,P 63, or P 6322 Hex |
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II/A.05-115 Polkanovite! Rh12As7 P 63m 6/m |
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II/A.05-120 Genkinite (Pt,Pd)4Sb3 P 41212 4 2 2 |
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Other Mertieite-I Information
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References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Mertieite-I :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 - EUROmin Project
4 -Google Images
5 -Google Scholar
6 -MinDAT
7 -MinMax(Deutsch)
8 -MinMax(English)
9 -Mineralienatlas (Deutsch)
10 -QUT Mineral Atlas
11 -École des Mines de Paris
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Print or Cut-and-Paste your Mertieite-I Specimen Label here :
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Mertieite-I
Pd11(Sb,As)4
Dana No: 2.16.1.1 Strunz No: II/A.05-60
Locality:
Notes:
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