Rhodplumsite Mineral Data

General Rhodplumsite Information

Chemical Formula:

Pb2Rh3S2

Composition:

Molecular Weight = 787.25 gm

Rhodium 39.21 % Rh

Lead 52.64 % Pb

Sulfur 8.15 % S

______

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

PDF 35-720

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Rhodplumsite Crystallography

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 ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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),

Physical Properties of Rhodplumsite

Color:

Gray.

Diaphaneity:

Opaque

Habit:

Inclusions - Generally found as inclusions in other minerals.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Luster:

Metallic

Optical Properties of Rhodplumsite

RL Anisotrophism:

Strong.

RL Color:

White.

RL Pleochroism:

Notable, from cream-pink to grayish hue.

Calculated Properties of Rhodplumsite

Electron Density:

Bulk Density (Electron Density)=8.49 gm/cc
note: Specific Gravity of Rhodplumsite =10.1 gm/cc.

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_Rhodplumsite=1,052.64 barns/electron
U=PE_Rhodplumsite x rElectron Density=8,940.22 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rhodplumsite is Not Radioactive

Rhodplumsite Classification

Dana Class:

02.03.05.02 (02)Sulfides - Including Selenides and Tellurides

(02.03)where Am Bn Xp, with (m+n):p=5:2

(02.03.05)Shandite Group

02.03.05.01 Shandite Pb2Ni3S2 R 3m 3 2/m

02.03.05.02 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m

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

02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)

02.BE -With Pb(Bi)

02.BE.15 Rhodplumsite Pb2Rh3S2 R 3m 3 2/m

02.BE.15 Shandite Pb2Ni3S2 R 3m 3 2/m

Other Rhodplumsite Information

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 :

Rhodplumsite

Pb2Rh3S2
Dana No: 02.03.05.02 Strunz No: 02.BE.15
Locality:

Notes: