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Mbobomkulite

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Mbobomkulit mit Leesit
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Mbobomkulit mit Leesit

blassblau-weißer Mbobomkulit neben gelbem Lessit, Jomac Mine, White Canyon, San Juan County, Utah, USA; BB 2 mm, analysiert

Copyright: MinTreasure.com (Carsten Slotta)
Contribution: openpit 2020-06-14
Locality: Jomac Mine / White Canyon / White Canyon District / San Juan Co. / Utah / USA

Collectors Summary

Color himmelblau
Streak color hellblau
Cleavages {001} vollkommen
Solubility +++ H2O
Crystal System monoklin,

Chemism

Chem­ical formula

(Ni,Cu)Al4[(NO3)2,(SO4)](OH)12·3H2O

Chem­ical com­po­si­tion

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

Unit weight: 542.9906088 u; Number of atoms in the formula: 45.25

Info

Empirical formula:

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

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

3.34

18

39.78

1.0079470

18.1430460

Nitrogen

N

3.87

1.5

3.31

14.0067200

21.0100800

Oxygen

O

60.40

20.5

45.30

15.9994300

327.9883150

Aluminium

Al

19.88

4

8.84

26.9815382

107.9261528

Sulfur

S

1.48

0.25

0.55

32.0655000

8.0163750

Nickel

Ni

8.11

0.75

1.66

58.6934200

44.0200650

Copper

Cu

2.93

0.25

0.55

63.5463000

15.8865750

Anal­y­sis wt%

Al2O3 : 39.42, NiO : 7.98, CuO : 4.28, SO3 : 3.81, N2O5 : 15.23, H2O : 27.90, SiO2 : 1.91 (Ref: American Mineralogist 82)

Strunz 9th edi­tion incl. updates

5.ND.10

5: Carbonate (Carbonate, Nitrate)
N: Nitrate
D: Mit OH (etc.) und H2O
10:Mbobomkulit-Gruppe

Lapis Clas­sifica­tion

VI/D.08-070

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

Clas­sifica­tion by Hölzel

7.DD.920

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

Dana 8th edi­tion

19.01.04.01

19: Nitrates - Hydroxyl or Halogen
01: Nitrates - Hydroxyl or Halogen with miscellaneous formulae
04: Mbobomkulite Group

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

himmelblau

Streak color

hellblau

max. Birefrin­gence

0.070

Birefringence chart\! Mbobomkulite title=Birefringence chart Mbobomkulite

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

1.515

RI value γ / ε

1.585

2V angle

Biaxial

Crystallography

Crystal Sys­tem

monoklin

Cell param­e­ters a (Å)

10.171

Cell param­e­ters b (Å)

8.865

Cell param­e­ters c (Å)

17.145

Cell param­e­ters a/b or c/a

1.147

Cell param­e­ters c/b

1.934

Cell param­e­ters α

90°

Cell param­e­ters β

95.37

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

1539.11

X-Ray Pow­der Diffrac­tion

8.550(100),
7.870(10),
4.549(10),
4.271(40),
3.179(10),
3.054(10),
2.512(10),
2.004(10)

XRD chart Mbobomkulite

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

Crystals 3D

Open larger view

Physical Properties

Density (g/cm³)

2.3

2.343 ( ρ calc. Mineralienatlas )

Cleav­ages

{001} vollkommen

Insta­bil­ity

+++ H2O

Preface

Author (Name, Year)

Martini, 1980

References

Annals Geological Survey of South Africa 14 (2) (1980), 1

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

Mbobomkulite

(Ni,Cu)Al4[(NO3)2,(SO4)](OH)12·3H2O

5.ND.10

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

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

Gerhardtite

Cu2(NO3)(OH)3

orthorhombisch : 222 : P212121

19.01.01.01

Rouaite

Cu2(NO3)(OH)3

monoklin : 2 : P21

19.01.01.02

Buttgenbachite

Cu36(NO3)2Cl6(OH)64·nH2O

hexagonal : 6/mmm : P63/mmc

19.01.02.01

Sveite

KAl7(NO3)4Cl2(OH)16·8H2O

19.01.03.01

Mbobomkulite

(Ni,Cu)Al4[(NO3)2,(SO4)](OH)12·3H2O

19.01.04.01

Hydrombobomkulite

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

19.01.04.02

Likasite

Cu3(NO3)(OH)5·2H2O

orthorhombisch : mmm : Pcmn

19.01.05.01

Other languages

German

Mbobomkulit

Spanish

Mbobomkulita

English

Mbobomkulite

French

Mbobomkulite

Traditional Chinese

硫硝鎳鋁石

Simplified Chinese

硫硝镍铝石

IMA Number

IMA 1979-078

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

German pages

DeWikiPedia - search for: Mbobomkulit
Google-Bilder-Suche - search for: Mbobomkulit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Mbobomkulit

English pages

Mindat - search for: Mbobomkulite
Webmineral - search for:Mbobomkulite
Handbook-of-Mineralogy - search for: Mbobomkulite
RRUFF - Raman, XRD and other mineral data - search for: Mbobomkulite
RRUFF - References and PDF downloads - search for: Mbobomkulite
American-Mineralogist-Crystal-Structure-Database - search for: Mbobomkulite
Athena - search for: Mbobomkulite

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Mbobomkulit
Crystal-Treasure.com - search for: Mbobomkulit
Bosse - search for: Mbobomkulit

Locations with GPS information