Sudburyite Mineral Data

General Sudburyite Information

Chemical Formula:

(Pd,Ni)Sb

Composition:

Molecular Weight = 216.24 gm

Nickel 6.79 % Ni

Antimony 56.30 % Sb

Palladium 36.91 % Pd

______

100.00 %

Empirical Formula:

Pd_0.75Ni_0.25Sb

Environment:

As tiny inclusions, most often in cobaltite or maucherite, in mechanical concentrates of platinum-group minerals.

IMA Status:

Approved IMA 1974

Locality:

Copper Cliff South mine and Frood mine, Sudbury district, Ontario, Canada Link to MinDat.org Location Data.

Name Origin:

Name for the locality.

Name Pronunciation:

Sudburyite + Pronunciation

Synonym:

ICSD 42597

IMA1973-048

PDF 26-888

Sudburyite Image

Images:

Sudburyite

Comments: SEM image showing ilmenite-hematite (il-hm), chalcopyrite (ccpy), and magnetite-ulvospinel (mte-usp). Detailed SEM image shows composite grain of sudburyite and safflorite (7 x 4 µm).
Location: Fesh road cut for Interstate 83 at Reesers Summit, one mile south of the exit for the Pennsylvania Turnpike between Harrisburg and York in York County, Pennsylvania, USA. Scale: See Image.
© Pennsylvania DCNR

Sudburyite Crystallography

Axial Ratios:

a:c = 1:1.37684

Cell Dimensions:

a = 4.06, c = 5.59, Z = 2; V = 79.80 Den(Calc)= 9.00

Crystal System:

Hexagonal - Dihexagonal Dipyramidal H-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/mmc

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

By Intensity(I/I_o): 0.779(1), 2.18(1), 0.8237(0.9),

Physical Properties of Sudburyite

Cleavage:

None

Color:

Silver gray.

Diaphaneity:

Opaque

Habit:

Inclusions - Generally found as inclusions in other minerals.

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Metallic

Optical Properties of Sudburyite

RL Anisotrophism:

Weak to moderate, in light grayish yellow and dark grayish brown.

RL Color:

White with a yellow tint in air, pale yellow in oil.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Sudburyite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	49.10	45.00
420 nm	50.90	46.90
440 nm	52.90	49.20
460 nm	54.70	51.50
480 nm	56.60	53.80
500 nm	58.60	55.80
520 nm	60.70	57.70
540 nm	62.80	59.30
560 nm	64.40	60.40
580 nm	65.70	61.40
600 nm	66.90	62.60
620 nm	67.80	62.80
640 nm	68.60	63.40
660 nm	69.30	63.60
680 nm	70.00	63.90
700 nm	70.50	64.20

**Calculated Relative Intensity Colors of Sudburyite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	180%
R₁
R₂

Calculated Properties of Sudburyite

Electron Density:

Bulk Density (Electron Density)=7.70 gm/cc
note: Specific Gravity of Sudburyite =9.00 gm/cc.

Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Photoelectric:

PE_Sudburyite= 286.81 barns/electron
U=PE_Sudburyite x rElectron Density=2,208.40 barns/cc.

Radioactivity:

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

Sudburyite Classification

Dana Class:

02.08.11.05 (02)Sulfides - Including Selenides and Tellurides

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

(02.08.11)Nickeline Group (Hexagonal: P63/mmc)

02.08.11.01 Nickeline NiAs P 6₃/mmc 6/m 2/m 2/m

02.08.11.02 Breithauptite NiSb P 6₃/mmc 6/m 2/m 2/m

02.08.11.03 Sederholmite NiSe P 6₃/mmc 6/m 2/m 2/m

02.08.11.04 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 6₃/mmc 6/m 2/m 2/m

02.08.11.05 Sudburyite (Pd,Ni)Sb P 6₃/mmc 6/m 2/m 2/m

02.08.11.06 Kotulskite Pd(Te,Bi) P 6₃/mmc 6/m 2/m 2/m

02.08.11.07 Sobolevskite PdBi P 6₃/mmc 6/m 2/m 2/m

02.08.11.08 Stumpflite Pt(Sb,Bi) P 6₃/mmc 6/m 2/m 2/m

02.08.11.09 Langisite (Co,Ni)As P 6₃/mmc 6/m 2/m 2/m

02.08.11.10 Freboldite CoSe P 6₃/mmc 6/m 2/m 2/m

02.08.11.11 Achavalite! FeSe P 6₃/mmc 6/m 2/m 2/m

02.08.11.12 Sorosite! Cu(Sn,Sb) P 6₃/mmc 6/m 2/m 2/m

02.08.11.13 Vavrinite! Ni2SbTe2 P 6₃/mmc 6/m 2/m 2/m

Strunz Class:

02.CC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.C - Metal Sulfides, M:S = 1:1 (and similar)

02.CC -With Ni, Fe, Co, PGE, etc.

02.CC.05 Achavalite FeSe P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Breithauptite NiSb P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Freboldite CoSe P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Hexatestibiopanickelite (Ni,Pd)(Te,Sb) P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Langisite (Co,Ni)As P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Jaipurite* CoS P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Kotulskite Pd(Te,Bi) P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Nickeline NiAs P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Zlatogorite! CuNiSb2 P 3m1 3 2/m

02.CC.05 Sederholmite NiSe P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Stumpflite Pt(Sb,Bi) P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Sudburyite (Pd,Ni)Sb P 6₃/mmc 6/m 2/m 2/m

02.CC.05 Sobolevskite PdBi P 6₃/mmc 6/m 2/m 2/m

Other Sudburyite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Sudburyite :
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
15 - WWW-MINCRYST

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Sudburyite

(Pd,Ni)Sb
Dana No: 02.08.11.05 Strunz No: 02.CC.05
Locality:

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