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Nickelalumite

Collectors Summary

Color himmelblau
Streak color bläulichweiß
Hardness (Mohs) 2.5
Cleavages {???} vollkommen
Crystal System monoklin, P21/n

Chemism

Chem­ical formula

(Ni,Cu)Al4[(SO4),(NO3)2](OH)12·3H2O

Chem­ical com­po­si­tion

Aluminium, Kupfer, Nickel, Sauerstoff, Schwefel, Stickstoff, Wasserstoff

Unit weight: 529.0172088 u; Number of atoms in the formula: 43.75

Info

Empirical formula:

(Ni0.75Cu0.25)Al4[((SO4))0.75((NO3)2)0.25](OH)12·3H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.43

18

41.14

1.0079470

18.1430460

Nitrogen

N

1.32

0.5

1.14

14.0067200

7.0033600

Oxygen

O

58.98

19.5

44.57

15.9994300

311.9888850

Aluminium

Al

20.40

4

9.14

26.9815382

107.9261528

Sulfur

S

4.55

0.75

1.71

32.0655000

24.0491250

Nickel

Ni

8.32

0.75

1.71

58.6934200

44.0200650

Copper

Cu

3.00

0.25

0.57

63.5463000

15.8865750

Anal­y­sis wt%

NiO : 10.59, CuO : 3.76, Al2O3 : 38.55, N2O5 : 5.10, SO3 : 11.35, H2O : 30.65 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

7.DD.75

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
D: mit mittelgroßen Kationen; Lagen von kantenverknüpften Oktaedern
75:Chalkoalumit-Gruppe

Lapis Clas­sifica­tion

VI/D.08-060

VI: SULFATE, CHROMATE, MOLYBDATE UND WOLFRAMATE
D: Wasserhaltige Sulfate, mit fremden Anionen
8: Mittelgroße Kationen

Clas­sifica­tion by Hölzel

7.DD.900

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
D: Sulfate-Hydrotalcites

IMA sta­tus

Ohne Prüfung durch die CNMNC veröffentlicht

Optical Properties

Color

himmelblau

Streak color

bläulichweiß

max. Birefrin­gence

0.011

Birefringence chart\! Nickelalumite title=Birefringence chart Nickelalumite

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

1.532

RI value γ / ε

1.543

2V angle

Biaxial

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

14

Space Group

P21/n

Cell param­e­ters a (Å)

10.175

Cell param­e­ters b (Å)

8.860

Cell param­e­ters c (Å)

17.174

Cell param­e­ters a/b or c/a

1.148

Cell param­e­ters c/b

1.938

Cell param­e­ters α

90°

Cell param­e­ters β

95.95

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1539.904

X-Ray Pow­der Diffrac­tion

8.54(100),
7.88(20),
4.778(10),
4.577(10),
4.267(60),
2.507(10),
2.289(10),
1.997(20)

XRD chart Nickelalumite

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

Crystals 3D

Open larger view

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

2.5

Density (g/cm³)

2.24

2.282 ( ρ calc. Mineralienatlas )

Cleav­ages

{???} vollkommen

Preface

Author (Name, Year)

Martini, 1980

References

Canadian Mineralogist 43 (2005), 1511

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

Chalcoalumite

CuAl4(SO4)(OH)12·3H2O

monoklin : 2 : P21

7.DD.75

Kyrgyzstanite

ZnAl4(SO4)(OH)12·3H2O

7.DD.75

'Nickelalumite'

(Ni,Cu)Al4[(SO4),(NO3)2](OH)12·3H2O

monoklin : 2/m : P21/n

7.DD.75

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

Bechererite

Zn7Cu[(OH)13|SiO(OH)3|SO4]

trigonal : 3, 3 : P3, P3

VI/D.08-005

Spangolite

Cu6Al(SO4)(OH)12Cl·3H2O

trigonal : 3m : P31c

VI/D.08-010

Cyanotrichite

Cu4Al2(SO4)(OH)12·2H2O

monoklin : 2/m : C2/m

VI/D.08-020

Carbonatecyanotrichite

Cu42+Al2(CO3,SO4)(OH)12·2H2O

VI/D.08-030

Camérolaite

Cu4Al2[HSbO4,SO4]OH10(CO3)·2H2O

monoklin : 2, 2/m : P21, P21/m

VI/D.08-035

Woodwardite

(Cu0.75Al0.25)(SO4)0.125(OH)2·0.3H2O

VI/D.08-040

Hydrowoodwardite

(Cu1-xAlx)(SO4)x/2(OH)2·nH2O {x<0.5}{n>3x/2}

trigonal : 3m : R3m

VI/D.08-042

'Zincowoodwardite'

VI/D.08-045

Chalcoalumite

CuAl4(SO4)(OH)12·3H2O

monoklin : 2 : P21

VI/D.08-050

Kyrgyzstanite

ZnAl4(SO4)(OH)12·3H2O

VI/D.08-055

'Nickelalumite'

(Ni,Cu)Al4[(SO4),(NO3)2](OH)12·3H2O

monoklin : 2/m : P21/n

VI/D.08-060

Mbobomkulite

(Ni,Cu)Al4[(NO3)2,(SO4)](OH)12·3H2O

VI/D.08-070

Hydrombobomkulite

(Ni,Cu)Al4[(NO3)2,(SO4)](OH)12·13-14H2O

VI/D.08-080

Carrboydite

(Ni,Al)9(SO4)2(OH)18·10H2O

VI/D.08-090

'Zincaluminite'

Zn6Al6(SO4)2(OH)26·5H2O

VI/D.08-100

Glaucocerinite

(Zn1-xAlx)(SO4)x/2(OH)2·nH2O {x<0.5}{n>3x/2}

VI/D.08-110

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

'Nickelalumite'

(Ni,Cu)Al4[(SO4),(NO3)2](OH)12·3H2O

monoklin : 2/m : P21/n

7.DD.900

Mbobomkulite

(Ni,Cu)Al4[(NO3)2,(SO4)](OH)12·3H2O

7.DD.920

Hydrombobomkulite

(Ni,Cu)Al4[(NO3)2,(SO4)](OH)12·13-14H2O

7.DD.925

Kyrgyzstanite

ZnAl4(SO4)(OH)12·3H2O

7.DD.960

Other languages

German

Nickelalumit

French

Nickelalumite

English

Nickelalumite

Spanish

Niquelalumita

Russian

Никельалюмит

Alternative Name

Spanish

Nickelalumita

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

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Russian pages

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