Nickeline Mineral Data

General Nickeline Information

Chemical Formula:

NiAs

Composition:

Molecular Weight = 133.61 gm

Nickel 43.93 % Ni

Arsenic 56.07 % As

______

100.00 %

Empirical Formula:

NiAs

Environment:

In ore veins with silver, copper, and nickel arsenides and sulfides.

IMA Status:

Valid Species (Pre-IMA) 1832

Locality:

Cobalt, Ontario. Link to MinDat.org Location Data.

Name Origin:

Named after its composition.

Name Pronunciation:

Nickeline + Pronunciation

Synonym:

Arsenical nickel

ICSD 31062

Niccolite

PDF 47-1737

Nickeline Image

Images:

Nickeline

Comments: Stubby, crude blocky crystals of nickeline.
Location: Gowaganda, Ontario, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nickeline Crystallography

Axial Ratios:

a:c = 1:1.39068

Cell Dimensions:

a = 3.609, c = 5.019, Z = 2; V = 56.61 Den(Calc)= 7.84

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-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): 2.66(1), 1.961(0.9), 1.811(0.8),

Forms:

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Forms: ( 1 0 1) ( 1 1 0) ( 0 0 1)

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Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, Note: ideal nickel arsenide structure

View Additional jPOWD Structure files for Nickeline
[1] [2]

Physical Properties of Nickeline

Cleavage:

{1010} Imperfect, {0001} Imperfect

Color:

Lead gray, Grayish, Copper, Black.

Density:

7.78 - 7.8, Average = 7.79

Diaphaneity:

Opaque

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Habit:

Columnar - Forms columns

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Habit:

Reniform - "Kidney like" in shape (e.g.. hematite).

Hardness:

5.5 - Knife Blade

Luminescence:

Non-fluorescent.

Luster:

Metallic

Magnetism:

Nonmagnetic

Streak:

brownish black

Optical Properties of Nickeline

RL Anisotrophism:

Very strong, light greenish yellow to slate-gray in air.

RL Color:

White with strong yellowish pink hue.

RL Pleochroism:

High, whitish, yellow-pink, to light brownish pink.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Nickeline in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	41.40	48.20
420 nm	40.60	47.10
440 nm	39.40	46.00
460 nm	39.00	45.50
480 nm	39.50	46.20
500 nm	41.30	47.70
520 nm	43.80	49.50
540 nm	47.00	51.60
560 nm	50.50	53.80
580 nm	53.50	56.00
600 nm	56.00	57.80
620 nm	58.20	59.70
640 nm	60.00	60.90
660 nm	61.40	62.00
680 nm	62.30	62.80
700 nm	62.80	63.20

**Calculated Relative Intensity Colors of Nickeline in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	220%
R₁
R₂

Calculated Properties of Nickeline

Electron Density:

Bulk Density (Electron Density)=7.16 gm/cc
note: Specific Gravity of Nickeline =7.84 gm/cc.

Fermion Index:

Fermion Index = 0.0049636184
Boson Index = 0.9950363816

Photoelectric:

PE_Nickeline= 58.21 barns/electron
U=PE_Nickeline x rElectron Density= 416.69 barns/cc.

Radioactivity:

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

Nickeline Classification

Dana Class:

02.08.11.01 (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 Nickeline Information

References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Nickeline :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - Franklin Minerals(Dunn)
9 - GeoScienceWorld
10 - Google Images
11 - Google Scholar
12 - Handbook of Mineralogy (MinSocAm)
13 - Handbook of Mineralogy (UofA)
14 - MinDAT
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - WWW-MINCRYST

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

Nickeline

NiAs
Dana No: 02.08.11.01 Strunz No: 02.CC.05
Locality:

Notes: