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Nickelblödite

Collectors Summary

Color blassgrün
Streak color weiß
Hardness (Mohs) 3
Solubility +++ H2O
Crystal System monoklin, P21/a

Chemism

Chem­ical formula

Na2(Ni,Mg)(SO4)2·4H2O

Chem­ical com­po­si­tion

Magnesium, Natrium, Nickel, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 360.2636064 u; Number of atoms in the formula: 25

Info

Empirical formula:

Na2(Ni0.75Mg0.25)(SO4)2·4H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

2.24

8

32.00

1.0079470

8.0635760

Oxygen

O

53.29

12

48.00

15.9994300

191.9931600

Sodium

Na

12.76

2

8.00

22.9897702

45.9795404

Magnesium

Mg

1.69

0.25

1.00

24.3050600

6.0762650

Sulfur

S

17.80

2

8.00

32.0655000

64.1310000

Nickel

Ni

12.22

0.75

3.00

58.6934200

44.0200650

Strunz 9th edi­tion incl. updates

7.CC.50

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
C: Sulfate (Selenate, etc.) ohne weitere Anionen, mit H2O
C: Mit mittelgroßen und großen [Kationen]
50:Blödit-Gruppe

Lapis Clas­sifica­tion

VI/C.18-020

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
C: Wasserhaltige Sulfate, ohne fremde Anionen
18: Mittelgroße und sehr große Kationen

Clas­sifica­tion by Hölzel

7.CD.520

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
C: Sulfates (-Anions +Water)
D: Sulfates, C medium + large
5: Blödite-Group

Dana 8th edi­tion

29.03.03.02

29: Hydrated Acid and Sulfates
03: Hydrated Acid and Sulfates where (A+)2 B (XO4)2 · x(H2O)
03: Blodite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blassgrün

Streak color

weiß

max. Birefrin­gence

0.007

Birefringence chart\! Nickelblödite title=Birefringence chart Nickelblödite

Michel-Levy Color Chart viewed according to the maximum birefringence (at 30μm). Mineral color is not taken into account. Click on the image to enlarge or change thickness.

RI value α / ω / n

1.513

RI value β

1.518

RI value γ / ε

1.520

Ri mean

1.517

2V angle

Biaxial (-) 65°~

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/a

Cell param­e­ters a (Å)

10.87

Cell param­e­ters b (Å)

8.07

Cell param­e­ters c (Å)

5.46

Cell param­e­ters a/b or c/a

1.347

Cell param­e­ters c/b

0.677

Cell param­e­ters α

90°

Cell param­e­ters β

100.72

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

470.597

X-Ray Pow­der Diffrac­tion

4.466(90),
4.193(70),
3.920(50),
3.720(60),
3.223(100),
3.190(80),
2.902(50),
2.589(60)

XRD chart Nickelblödite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

3

VHN (Hard­ness Vick­ers)

139 (5g)

Density (g/cm³)

2.43 (gemessen)

2.542 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O

Preface

Author (Name, Year)

Nickel & Bridge, 1977

References

Mineralogical Magazine 41 (1977), 37

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Blödite

Na2Mg(SO4)2·4H2O

monoklin : 2/m : P21/a

7.CC.50

Changoite

Na2Zn[SO4]2·4H2O

monoklin : 2/m : P21/a

7.CC.50

Nickelblödite

Na2(Ni,Mg)(SO4)2·4H2O

monoklin : 2/m : P21/a

7.CC.50

Cobaltoblödite

Na2Co(SO4)2·4H2O

monoklin : 2/m : P21/a

7.CC.50

Manganoblödite

Na2Mn(SO4)2·4H2O

monoklin : 2/m : P21/a

7.CC.50

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Blödite

Na2Mg(SO4)2·4H2O

monoklin : 2/m : P21/a

VI/C.18-010

Nickelblödite

Na2(Ni,Mg)(SO4)2·4H2O

monoklin : 2/m : P21/a

VI/C.18-020

Changoite

Na2Zn[SO4]2·4H2O

monoklin : 2/m : P21/a

VI/C.18-025

Leonite

K2Mg(SO4)2·4H2O

monoklin : 2/m : C2/m

VI/C.18-030

Mereiterite

K2Fe2+[SO4]2·4H2O

monoklin : 2/m : C2/m

VI/C.18-035

Konyaite

Na2Mg(SO4)2·5H2O

monoklin : 2/m : P21/c

VI/C.18-040

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Blödite

Na2Mg(SO4)2·4H2O

monoklin : 2/m : P21/a

7.CD.500

Leonite

K2Mg(SO4)2·4H2O

monoklin : 2/m : C2/m

7.CD.510

Mereiterite

K2Fe2+[SO4]2·4H2O

monoklin : 2/m : C2/m

7.CD.515

Nickelblödite

Na2(Ni,Mg)(SO4)2·4H2O

monoklin : 2/m : P21/a

7.CD.520

Manganoblödite

Na2Mn(SO4)2·4H2O

monoklin : 2/m : P21/a

7.CD.530

Goldichite

KFe3+(SO4)2·4H2O

monoklin : 2/m : P21/c

7.CD.570

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Syngenite

K2Ca(SO4)2·H2O

monoklin : 2/m : P21/m

29.03.01.01

Koktaite

(NH4)2Ca(SO4)2·H2O

monoklin : 2/m : P21/m

29.03.01.02

Kröhnkite

Na2Cu(SO4)2· 2H2O

monoklin : 2/m : P21/c

29.03.02.01

Blödite

Na2Mg(SO4)2·4H2O

monoklin : 2/m : P21/a

29.03.03.01

Nickelblödite

Na2(Ni,Mg)(SO4)2·4H2O

monoklin : 2/m : P21/a

29.03.03.02

Leonite

K2Mg(SO4)2·4H2O

monoklin : 2/m : C2/m

29.03.03.03

Mereiterite

K2Fe2+[SO4]2·4H2O

monoklin : 2/m : C2/m

29.03.03.04

Changoite

Na2Zn[SO4]2·4H2O

monoklin : 2/m : P21/a

29.03.03.05

Konyaite

Na2Mg(SO4)2·5H2O

monoklin : 2/m : P21/c

29.03.05.01

Picromerite

K2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

29.03.06.01

Cyanochroite

K2Cu(SO4)·6H2O

monoklin : 2/m : P21/c

29.03.06.02

Mohrite

(NH4)2Fe2+(SO4)2·6H2O

monoklin : 2/m : P21/a

29.03.07.01

Boussingaultite

(NH4)2Mg(SO4)2·6H2O

monoklin : 2/m : P21/a

29.03.07.02

'Nickelboussingaultite'

(NH4)2(Ni,Mg)(SO4)2·6H2O

29.03.07.03

Mosesite

Hg2N(Cl,SO4,MoO4,CO3)·H2O

kubisch : 43m : F43m

29.03.08.01

Other languages

German

Nickelblödit

French

Nickelblödite

English

Nickelblödite

Spanish

Niquelbloedita

Alternative Name

Spanish

Nickelblödita

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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