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Rhodplumsite Mineral Data
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General Rhodplumsite Information
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 Chemical Formula: |
Pb2Rh3S2 |
| Composition: |
Molecular Weight = 787.25 gm |
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Rhodium 39.21 % Rh |
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Lead 52.64 % Pb |
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Sulfur 8.15 % S |
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______ |
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100.00 % |
| Empirical Formula: |
Pb2Rh3S2 |
| Environment: |
Platinum placers. Found as an inclusion in a platinum nugget. |
| IMA Status: |
Approved IMA 1983 |
| Locality: |
Umutnaya River, Ural Mountains, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its composition. |
| Name Pronunciation: |
Rhodplumsite + Pronunciation  |
| Synonym: |
ICSD 42599 |
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PDF 35-720 |
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Rhodplumsite Crystallography
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| Axial Ratios: |
a:c = 1:2.38359 |
| Cell Dimensions: |
a = 5.73, c = 13.658, Z = 3; V = 388.35 Den(Calc)= 10.10 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.86(1), 2.01(0.6), 1.81(0.3),2.44(0.3), 4.02(0.3), 1.22(0.2), 4.64(0.2), |
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Physical Properties of Rhodplumsite
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| Color: |
Gray. |
| Diaphaneity: |
Opaque |
| Habit: |
Inclusions - Generally found as inclusions in other minerals. |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Luster: |
Metallic |
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Optical Properties of Rhodplumsite
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| RL Anisotrophism: |
Strong. |
| RL Color: |
White. |
| RL Pleochroism: |
Notable, from cream-pink to grayish hue. |
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Calculated Properties of Rhodplumsite
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| Electron Density: |
Bulk Density (Electron Density)=8.49 gm/cc
note: Specific Gravity of Rhodplumsite =10.1 gm/cc.
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| Fermion Index: |
Fermion Index = 0.11
Boson Index = 0.89 |
| Photoelectric: |
PERhodplumsite =1,052.64 barns/electron
U=PERhodplumsite x rElectron Density=8,940.22 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rhodplumsite is Not Radioactive |
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Rhodplumsite Classification
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| Dana Class: |
02.03.05.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.03)where Am Bn Xp, with (m+n):p=5:2 |
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(02.03.05)Shandite Group |
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02.03.05.01 Shandite Pb2Ni3S2 R 3m 3 2/m |
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02.03.05.02 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m |
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02.03.05.03 Pasavaite! Pd3Pb2Te2 Pmmn 2/m 2/m 2/m |
| Strunz Class: |
02.BE.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.BE -With Pb(Bi) |
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02.BE.15 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m |
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02.BE.15 Shandite Pb2Ni3S2 R 3m 3 2/m |
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Other Rhodplumsite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Rhodplumsite :
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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Print or Cut-and-Paste your Rhodplumsite Specimen Label here :
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Rhodplumsite
Pb2Rh3S2
Dana No: 02.03.05.02 Strunz No: 02.BE.15
Locality:
Notes:
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