Kalungaite Mineral Data

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General Kalungaite Information

Chemical Formula:

PdAsSe

Composition:

Molecular Weight = 258.08 gm

Bismuth 0.32 % Bi

Antimony 1.60 % Sb

Arsenic 27.58 % As

Palladium 41.48 % Pd

Selenium 27.78 % Se

Sulfur 1.23 % S

______

100.00 %

Empirical Formula:

PdAs_0.95Sb_0.03Bi_0.004Se_0.9S_0.09

Environment:

The gold deposit is hosted by a muscovite mylonite related to a E-W trending shear zone in a peraluminous granite of the Aurumina Suite (2.15 Ga), which intrudes graphite-bearing me tasedimentary rocks of the Ticunzal Fo

IMA Status:

Approved IMA 2004 (Dana # Added)

Locality:

Buraco do Ouro gold mine, Cavalcante, Goiás State, Brazil. Link to MinDat.org Location Data.

Name Origin:

The name is for the Kalunga people, a community of descendants of African slaves living in Cavalcante and nearby towns.

Synonym:

IMA2004-047

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Kalungaite Crystallography

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

By Intensity(I/I_o): 1.838(1)(113), 1.172(0.95)(115), 0.929(0.9)(335),1.077(0.8)(044), 3.027(0.75)(002), 0.918(0.7)(226), 0.988(0.7)(116), 2.478(0.65)(112), 2.725(0.65)(021),

Crystal Structure:

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Foecker A J , Jeitschko W , Journal of Solid State Chemistry , 162 (2001) p.69-78, The atomic order of the pnictogen and chalcogen atoms in equiatomic ternary

Physical Properties of Kalungaite

Color:

Lead gray.

Optical Properties of Kalungaite

RL Anisotrophism:

None.

RL Bireflectance:

None.

RL Color:

Creamy to creamy gray with no internal reflections.

RL Pleochroism:

None.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Kalungaite in Air**
λ	R	∑ R(λ)
470 nm	47.50
546 nm	46.90
589 nm	46.80
650 nm	48.00

**Standardized Intensity (100%) Reflection Spectra of Kalungaite in Oil**
λ	R	∑ R(λ)
470 nm	33.30
546 nm	32.60
589 nm	32.60
650 nm	34.00

**Calculated Relative Intensity Colors of Kalungaite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	180%	190%
R

**Calculated Relative Intensity Colors of Kalungaite in Oil**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	270%
R

Calculated Properties of Kalungaite

Electron Density:

Bulk Density (Electron Density)=6.60 gm/cc
note: Specific Gravity of Kalungaite =7.59 gm/cc.

Fermion Index:

Fermion Index = 0.11
Boson Index = 0.89

Photoelectric:

PE_Kalungaite= 154.28 barns/electron
U=PE_Kalungaite x rElectron Density=1,017.67 barns/cc.

Radioactivity:

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

Kalungaite Classification

Dana Class:

02.12.03.16 (02)Sulfides - Including Selenides and Tellurides

(02.12)where Am Bn Xp, with (m+n):p=1:2

(02.12.03)Cobaltite Group (Cubic or pseudocubic crystals)

02.12.03.01 Cobaltite CoAsS P ca2₁ mm2

02.12.03.02 Gersdorffite NiAsS P 2₁3 2 3

02.12.03.03 Ullmannite NiSbS P 2₁3 2 3

02.12.03.04 Willyamite (Co,Ni)SbS P 2₁3 2 3

02.12.03.05 Tolovkite IrSbS P 2₁3 2 3

02.12.03.06 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3

02.12.03.07 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3

02.12.03.08 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3

02.12.03.09 Jolliffeite (Ni,Co)AsSe P a3 2/m 3

02.12.03.10 Padmaite PdBiSe P 2₁3 2 3

02.12.03.11 Michenerite (Pd,Pt)BiTe P 2₁3 2 3

02.12.03.12 Maslovite PtBiTe P 2₁3 2 3

02.12.03.13 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

02.12.03.14 Changchengite! IrBiS P 2₁3 2 3

02.12.03.15 Milotaite! PdSbSe P 2₁/3 2 3

02.12.03.16 Kalungaite! PdAsSe Pa3 2/m 3

Strunz Class:

02.EB.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.E - Metal Sulfides, M:S £ 1:2

02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.

02.EB.25 Cobaltite CoAsS P ca2₁ mm2

02.EB.25 Changchengite! IrBiS P 2₁3 2 3

02.EB.25 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3

02.EB.25 Gersdorffite NiAsS P 2₁3 2 3

02.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3

02.EB.25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3

02.EB.25 Krutovite NiAs2 P a3 2/m 3

02.EB.25 Michenerite (Pd,Pt)BiTe P 2₁3 2 3

02.EB.25 Maslovite PtBiTe P 2₁3 2 3

02.EB.25 Mayingite IrBiTe P a3 2/m 3

02.EB.25 Padmaite PdBiSe P 2₁3 2 3

02.EB.25 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3

02.EB.25 Ullmannite NiSbS P 2₁3 2 3

02.EB.25 Tolovkite IrSbS P 2₁3 2 3

02.EB.25 Testibiopalladite PdTe(Sb,Te) P 2₁3 2 3

02.EB.25 Willyamite (Co,Ni)SbS P 2₁3 2 3

02.EB.25 Kalungaite! PdAsSe Pa3 2/m 3

02.EB.25 Milotaite! PdSbSe P 2₁/3 2 3

Other Kalungaite Information

See Also:

Links to other databases for Kalungaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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

Kalungaite

PdAsSe
Dana No: 02.12.03.16 Strunz No: 02.EB.25
Locality:

Notes: