Luberoite Mineral Data

Luberoite Mineral Data +

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.

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),

Physical Properties of Luberoite

Cleavage:

[???] Good

Color:

Bronze brown.

Density:

13.02

Diaphaniety:

Opaque

Hardness:

5-5.5 - Apatite-Knife Blade

Luster:

Metallic

Calculated Properties of Luberoite

Electron Density:

r_electron=12.0 gm/cc
note: r_Luberoite=14.8 gm/cc.

Fermion Index

Fermion Index = 0.27391
Boson Index = 0.72609

Photoelectric:

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

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Luberoite is Not Radioactive

Luberoite Classification

Dana Class:

2.16.23.1 (2)Sulfides - Including Selenides and Tellurides

(2.16)with miscellaneous formulae

(2.16.23)Dana Group

2.16.23.1 Luberoite Pt5Se4 P 2₁/c 2/m

Strunz Class:

II/A.06-20 II - Sulfides and sulphosalts

II/A - Alloys and alloylike compounds, with metals of the Platinum series, (Palladium)

II/A.06 - Vasilite - Luberoite series

II/A.06-05 Vasilite (Pd,Cu)16(S,Te)7 I 43m 4 3m

II/A.06-10 Oosterboschite (Pd,Cu)7Se3 Unk Ortho

II/A.06-20 Luberoite Pt5Se4 P 2₁/c 2/m

II/A.06-25 Jagueite! Cu2Pd3Se4 P 2₁/c 2/m

II/A.06-30 Chrisstanleyite! Ag2Pd3Se4 P 2₁/m or P 2₁ Mono

II/A.06-40 Tischendorfite! Pd8Hg3Se9 Pmmn, P 2₁mn or Pm21n Ortho

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Luberoite Specimen Label here :

Luberoite

Pt5Se4
Dana No: 2.16.23.1 Strunz No: II/A.06-20
Locality:

Notes: