Nickelboussingaultite Mineral Data

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General Nickelboussingaultite Information

Chemical Formula:

(NH4)2(Ni,Mg)(SO4)2•6(H2O)

Composition:

Molecular Weight = 386.39 gm

Magnesium 1.57 % Mg 2.61 % MgO

Nickel 11.39 % Ni 14.50 % NiO

Hydrogen 2.09 % H - % Calc as (NH₄)₂O

Hydrogen 3.13 % H 27.97 % H₂O

Sulfur 16.60 % S 41.44 % SO₃

Nitrogen 7.25 % N 13.48 % (NH₄)₂O

Oxygen 57.97 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

(NH₄)₂Ni_0.75Mg_0.25(SO₄)₂•6(H₂O)

Environment:

Underground nickel ore stockpile, around and on a wooden timber

IMA Status:

Approved IMA 1976

Locality:

Talnakh area, Norilsk, western Siberia, Russia. Link to MinDat.org Location Data.

Name Origin:

Named as the nickel-bearing analog of boussingaultite.

Synonym:

ICSD 200304

Nickel-boussingaultite - Renamed Nickelboussingaultite by Mineralogical Record, v39 (2008), p131

PDF 31-62

Nickelboussingaultite Image

Images:

Nickelboussingaultite

Comments: Fragment of sulfide (pyrite) matrix with microcoating of nickelboussingaultite in a gelatin capsule.
Location: Noril'sk, Putoran Plateau, Taimyr Peninsula, Siberia, Russia. Scale: Capsule Size 20 mm.
© John Betts - Fine Minerals

Nickelboussingaultite Crystallography

Axial Ratios:

a:b:c =0.7391:1:1.0032

Cell Dimensions:

a = 9.21, b = 12.46, c = 12.5, Z = 4; beta = 106.867° V = 1,372.75 Den(Calc)= 1.87

Crystal System:

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

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

By Intensity(I/I_o): 4.153(1), 3.759(0.8), 2.119(0.7),

Crystal Structure:

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Treushnikov E N , Kuskov V I , Soboleva L V , Belov N V , Soviet Physics Crystallography , 23 (1978) p.30-41, Distribution of electron density in nickel ammonium sulphate hexahydrate, [Ni*6H2O](NH4)2(SO4)2 from x-ray diffraction data, Locality: synthetic

Physical Properties of Nickelboussingaultite

Color:

Blue.

Diaphaneity:

Transparent

Hardness:

2.5 - Finger Nail

Luster:

Vitreous (Glassy)

Optical Properties of Nickelboussingaultite

Gladstone-Dale:

CI calc= -0.329 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2647,KC= 0.1992
Ncalc = 1.37

Optical Data:

Biaxial (+), a=1.49, b=1.494, g=1.501, bire=0.0110

Calculated Properties of Nickelboussingaultite

Electron Density:

Bulk Density (Electron Density)=1.96 gm/cc
note: Specific Gravity of Nickelboussingaultite =1.87 gm/cc.

Fermion Index:

Fermion Index = 0.07
Boson Index = 0.93

Photoelectric:

PE_{Nickelboussingaultite}= 5.36 barns/electron
U=PE_{Nickelboussingaultite} x rElectron Density= 10.49 barns/cc.

Radioactivity:

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

Nickelboussingaultite Classification

Dana Class:

29.03.07.03 (29)Hydrated Acid and Sulfates

(29.03)where (A+)2 B (XO4)2 · x(H2O)

(29.03.07)Mohrite Group (Ammonia bearing)

29.03.07.01 Mohrite (NH4)2Fe(SO4)2•6(H2O) P 2₁/c 2/m

29.03.07.02 Boussingaultite (NH4)2Mg(SO4)2•6(H2O) P 2₁/a 2/m

29.03.07.03 Nickelboussingaultite (NH4)2(Ni,Mg)(SO4)2•6(H2O) P 2₁/a 2/m

Strunz Class:

07.CC.60 07 - SULFATES (SELENATES, TELLURATES)

07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O

07.CC -With medium-sized and large cations

07.CC.60 Boussingaultite (NH4)2Mg(SO4)2•6(H2O) P 2₁/a 2/m

07.CC.60 Cyanochroite K2Cu(SO4)2•6(H2O) P 2₁/a 2/m

07.CC.60 Mohrite (NH4)2Fe(SO4)2•6(H2O) P 2₁/c 2/m

07.CC.60 Picromerite K2Mg(SO4)2•6(H2O) P 2₁/a 2/m

07.CC.60 Nickelboussingaultite (NH4)2(Ni,Mg)(SO4)2•6(H2O) P 2₁/a 2/m

Other Nickelboussingaultite Information

References:

NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

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

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Nickelboussingaultite

(NH4)2(Ni,Mg)(SO4)2•6(H2O)
Dana No: 29.03.07.03 Strunz No: 07.CC.60
Locality:

Notes: