Nickelblodite Mineral Data

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General Nickelblodite Information

Chemical Formula:

Na2(Ni,Mg)(SO4)2•4(H2O)

Composition:

Molecular Weight = 360.26 gm

Sodium 12.76 % Na 17.20 % Na₂O

Magnesium 1.69 % Mg 2.80 % MgO

Nickel 12.22 % Ni 15.55 % NiO

Hydrogen 2.24 % H 20.00 % H₂O

Sulfur 17.80 % S 44.45 % SO₃

Oxygen 53.29 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₂Ni_0.75Mg_0.25(SO₄)₂•4(H₂O)

Environment:

Evaporation of fluids containing Na, Ni, and SO4.

IMA Status:

Approved IMA 1977

Locality:

Durkin nickel mine, Kambalda, 56 km south of Kalgoorlie, and in the Carr Boyd Rocks mine, Goongarrie, Western Australia. Link to MinDat.org Location Data.

Name Origin:

Named for its relation to blodite, with Ni > Mg.

Name Pronunciation:

Nickelblodite + Pronunciation

Synonym:

Nickelbloedite

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Nickelblodite Crystallography

Axial Ratios:

a:b:c =1.3469:1:0.6765

Cell Dimensions:

a = 10.87, b = 8.07, c = 5.46, Z = 2; beta = 100.72° V = 470.60 Den(Calc)= 2.54

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): 3.223(1), 3.19(0.8), 4.466(0.7),

Physical Properties of Nickelblodite

Color:

Green.

Density:

2.43

Diaphaneity:

Transparent

Hardness:

3.5 - Copper Penny

Optical Properties of Nickelblodite

Gladstone-Dale:

CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.041 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2035,KPDmeas= 0.2128,KC= 0.2123
Ncalc = 1.52 - 1.54

Optical Data:

Biaxial (-), a=1.513, b=1.518, g=1.52, bire=0.0070, 2V(Calc)=64, 2V(Meas)=60-70.

Calculated Properties of Nickelblodite

Electron Density:

Bulk Density (Electron Density)=2.46 gm/cc
note: Specific Gravity of Nickelblodite =2.43 gm/cc.

Fermion Index:

Fermion Index = 0.0046615537
Boson Index = 0.9953384463

Photoelectric:

PE_{Nickelblodite}= 6.06 barns/electron
U=PE_{Nickelblodite} x rElectron Density= 14.88 barns/cc.

Radioactivity:

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

Nickelblodite Classification

Dana Class:

29.03.03.02 (29)Hydrated Acid and Sulfates

(29.03)where (A+)2 B (XO4)2 · x(H2O)

(29.03.03)Blodite Group

29.03.03.01 Blodite Na2Mg(SO4)2•4(H2O) P 2₁/a 2/m

29.03.03.02 Nickelblodite Na2(Ni,Mg)(SO4)2•4(H2O) P 2₁/a 2/m

29.03.03.03 Leonite K2Mg(SO4)2•4(H2O) C 2/m 2/m

29.03.03.04 Mereiterite! K2Fe(SO4)2•4(H2O) C 2/m 2/m

29.03.03.05 Changoite! Na2Zn(SO4)2•4(H2O) P 2₁/a 2/m

Strunz Class:

07.CC.50 07 - SULFATES (SELENATES, TELLURATES)

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

07.CC -With medium-sized and large cations

07.CC.50 Blodite Na2Mg(SO4)2•4(H2O) P 2₁/a 2/m

07.CC.50 Changoite! Na2Zn(SO4)2•4(H2O) P 2₁/a 2/m

07.CC.50 Nickelblodite Na2(Ni,Mg)(SO4)2•4(H2O) P 2₁/a 2/m

Other Nickelblodite 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 Nickelblodite :
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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Print or Cut-and-Paste your Nickelblodite Specimen Label here :

Nickelblodite

Na2(Ni,Mg)(SO4)2•4(H2O)
Dana No: 29.03.03.02 Strunz No: 07.CC.50
Locality:

Notes: