Luberoite Mineral Data

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General Luberoite Information

Chemical Formula:

Pt5Se4

Composition:

Molecular Weight = 1,291.24 gm

Platinum 75.54 % Pt

Selenium 24.46 % Se

______

100.00 %

Empirical Formula:

Pt₅Se₄

IMA Status:

Approved IMA 1992

Locality:

Lubero region, Kivu Prov., Zaire. Link to MinDat.org Location Data.

Name Origin:

Named in 1992 for the locality.

Name Pronunciation:

Luberoite + Pronunciation

Synonym:

ICSD 77954

IMA1990-047

PDF 45-1466

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Luberoite Crystallography

Axial Ratios:

a:b:c =1.6208:1:2.7326

Cell Dimensions:

a = 6.584, b = 4.062, c = 11.1, Z = 2; beta = 101.6° V = 290.80 Den(Calc)= 14.75

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 1.875(1), 2.93(0.8), 1.812(0.7),

Crystal Structure:

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Matkovic P , Schubert K , Journal of the Less-Common Metals , 55 (1977) p.185-190, Kristallstruktur von Pt5Se4, Locality: synthetic

Physical Properties of Luberoite

Cleavage:

{???} Good

Color:

Bronze brown.

Density:

13.02

Diaphaneity:

Opaque

Hardness:

5-5.5 - Apatite-Knife Blade

Luster:

Metallic

Calculated Properties of Luberoite

Electron Density:

Bulk Density (Electron Density)=12.0 gm/cc
note: Specific Gravity of Luberoite =14.8 gm/cc.

Fermion Index:

Fermion Index = 0.27
Boson Index = 0.73

Photoelectric:

PE_Luberoite=1,222.12 barns/electron
U=PE_Luberoite x rElectron Density=14686.41 barns/cc.

Radioactivity:

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

Luberoite Classification

Dana Class:

02.16.23.01 (02)Sulfides - Including Selenides and Tellurides

(02.16)with miscellaneous formulae

(02.16.23)Dana Group

02.16.23.01 Luberoite Pt5Se4 P 2₁/c 2/m

Strunz Class:

02.BC.35 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

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

02.BC -With Rh, Pd, Pt, etc.

02.BC.35 Luberoite Pt5Se4 P 2₁/c 2/m

Other Luberoite Information

References:

NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996)

See Also:

Links to other databases for Luberoite :
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 Luberoite Specimen Label here :

Luberoite

Pt5Se4
Dana No: 02.16.23.01 Strunz No: 02.BC.35
Locality:

Notes: