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Magnesioaubertite

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Magnesioaubertit
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Magnesioaubertit

Magnesioaubertit mit etwas Pickeringit, Größe: 2,5 x 2 x 1,8 cm, Fundort: Grotta dell'Allume, Porto Levante, Vulcano Insel, Messina, Sizilien, Italien

Copyright: Dan Weinrich
Contribution: thdun5 2010-10-27
Locality: Grotta dell'Allume / Porto Levante / Vulcano, Insel / Äolische (Liparische) Inseln (Isole Eolie; Isole Lipari) / Messina, Provinz / Sizilien (Sicilia), Region / Italien

Collectors Summary

Color blau
Lustre Glasglanz
Hardness (Mohs) 2 - 3
Solubility +++ H2O, Säuren
Crystal System triklin, 1

Chemism

Chem­ical formula

(Mg,Cu)Al(SO4)2Cl·14 H2O

Chem­ical com­po­si­tion

Aluminium, Chlor, Kupfer, Magnesium, Sauerstoff, Schwefel, Wasserstoff

Unit weight: 540.8910842 u; Number of atoms in the formula: 55

Info

Empirical formula:

(Mg0.75Cu0.25)Al(SO4)2Cl·14H2O

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

5.22

28

50.91

1.0079470

28.2225160

Oxygen

O

65.08

22

40.00

15.9994300

351.9874600

Magnesium

Mg

3.37

0.75

1.36

24.3050600

18.2287950

Aluminium

Al

4.99

1

1.82

26.9815382

26.9815382

Sulfur

S

11.86

2

3.64

32.0655000

64.1310000

Chlorine

Cl

6.55

1

1.82

35.4532000

35.4532000

Copper

Cu

2.94

0.25

0.45

63.5463000

15.8865750

Anal­y­sis wt%

CuO : 5.50, MgO : 3.38, Al2O3 : 13.91, SO3 : 28.25, Cl : 7.60, H2O : 44.00 (Ref: Aufschluss 88)

Strunz 9th edi­tion incl. updates

7.DB.05

7: Sulfate (Selenate, Tellurate, Chromate, Molybdate, Wolframate)
D: Sulfate (Selenate, etc.) mit weitere Anionen, mit H2O
B: mit mittelgroßen Kationen; isolierte Oktaeder und begrenzte Einheiten
05:Aubertit-Gruppe

Lapis Clas­sifica­tion

VI/D.07-030

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

Clas­sifica­tion by Hölzel

7.DC.500

7: SULFATES CHROMATES MOLYBDATES WOLFRAMATES
D: Sulfates (+Anions +Water)
C: Copiapite-Group

Dana 8th edi­tion

31.09.08.03

31: Hydrated Sulfates Containing Hydroxyl or Halogen
09: Hydrated Sulfates Containing Hydroxyl or Halogen where (A+ B++) (XO4) Zq·x(H2O)
08: Aubertite Group

IMA sta­tus

anerkannt

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

blau

Lus­tre

Glasglanz

max. Birefrin­gence

0.022

Birefringence chart\! Magnesioaubertite title=Birefringence chart Magnesioaubertite

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

1.466

RI value β

1.481

RI value γ / ε

1.488

Ri mean

1.478

2V angle

Biaxial (-) 70°

Crystallography

Crystal Sys­tem

triklin

Class (H-M)

P1

Space Group number

2

Space Group

1

Cell param­e­ters a (Å)

6.31

Cell param­e­ters b (Å)

13.20

Cell param­e­ters c (Å)

6.29

Cell param­e­ters a/b or c/a

0.478

Cell param­e­ters c/b

0.477

Cell param­e­ters α

91.73

Cell param­e­ters β

94.55

Cell param­e­ters γ

82.62

Z

1

Volumne (ų)

517.823

X-Ray Pow­der Diffrac­tion

6.26(50),
5.61(70),
4.81(50),
4.50(100),
4.25(60),
3.97(80),
3.68(60),
3.12(50)

XRD chart Magnesioaubertite

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

Physical Properties

Hard­ness (Mohs)

2 - 3

VHN (Hard­ness Vick­ers)

53 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

1.78

1.734 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ H2O, Säuren

(Co-)Type locality

(Co-)Type locality

Italien/Sizilien (Sicilia), Region/Messina, Provinz/Äolische (Liparische) Inseln (Isole Eolie; Isole Lipari)/Vulcano, Insel/Porto Levante/Faraglione Ranni

Type mate­r­ial

Mineralogische Sammlung, Ruhr-Universität Bochum

Par­a­ge­n­e­sis of type mate­r­ial

Metasideronatrit auf Pickeringit, Schwefel auf Pickeringit, Aluminocopiapit auf Alunogen

Preface

Author (Name, Year)

Gebhard & Medenbach & Gebert, 1988

References

Aufschluss 39 (1988), 97.

American Mineralogist 75 (1990), 1433.

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

Aubertite

CuAl(SO4)2Cl·14H2O

triklin : 1 : P1

7.DB.05

Wilcoxite

MgAl(SO4)2F·18H2O

triklin : 1, 1 : P1, P1

7.DB.05

Svyazhinite

(Mg,Mn)(Al,Fe3+)(SO4)2F·14 H2O

triklin : 1, 1 : P1, P1

7.DB.05

Magnesioaubertite

(Mg,Cu)Al(SO4)2Cl·14 H2O

triklin : P1 : 1

7.DB.05

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

Wilcoxite

MgAl(SO4)2F·18H2O

triklin : 1, 1 : P1, P1

VI/D.07-010

Svyazhinite

(Mg,Mn)(Al,Fe3+)(SO4)2F·14 H2O

triklin : 1, 1 : P1, P1

VI/D.07-020

Magnesioaubertite

(Mg,Cu)Al(SO4)2Cl·14 H2O

triklin : P1 : 1

VI/D.07-030

Aubertite

CuAl(SO4)2Cl·14H2O

triklin : 1 : P1

VI/D.07-040

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

Magnesioaubertite

(Mg,Cu)Al(SO4)2Cl·14 H2O

triklin : P1 : 1

7.DC.500

Aubertite

CuAl(SO4)2Cl·14H2O

triklin : 1 : P1

7.DC.510

Svyazhinite

(Mg,Mn)(Al,Fe3+)(SO4)2F·14 H2O

triklin : 1, 1 : P1, P1

7.DC.520

Wilcoxite

MgAl(SO4)2F·18H2O

triklin : 1, 1 : P1, P1

7.DC.560

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

Butlerite

Fe3+(SO4)(OH)·2H2O

monoklin : 2/m : P21/m

31.09.01.01

Parabutlerite

Fe3+(SO4)(OH)·2H2O

orthorhombisch : mmm : Pmnb

31.09.02.01

Amarantite

Fe3+2O(SO4)2(H2O)4·3H2O

triklin : 1 : P1

31.09.03.01

Hohmannite

Fe23+(SO4)2(OH)2·7H2O

triklin : 1 : P1

31.09.04.01

Metahohmannite

Fe23+(SO4)2(OH)2·3H2O

triklin : 1 : P1

31.09.05.01

Botryogen

MgFe3+(SO4)2(OH)·7H2O

monoklin : 2/m : P21/n

31.09.06.01

Zincobotryogen

ZnFe3+(SO4)2(OH)·7H2O

monoklin : 2/m : P21/n

31.09.06.02

Xitieshanite

Fe3+(SO4)Cl·6H2O

monoklin : 2/m : P21/a

31.09.06.03

Guildite

CuFe3+(SO4)2(OH)·4H2O

monoklin : 2/m : P21/m

31.09.07.01

Chaidamuite

(Zn,Fe2+)Fe3+OH(SO4)2·4H2O

triklin : 1 : P1

31.09.07.02

Aubertite

CuAl(SO4)2Cl·14H2O

triklin : 1 : P1

31.09.08.01

Svyazhinite

(Mg,Mn)(Al,Fe3+)(SO4)2F·14 H2O

triklin : 1, 1 : P1, P1

31.09.08.02

Magnesioaubertite

(Mg,Cu)Al(SO4)2Cl·14 H2O

triklin : P1 : 1

31.09.08.03

Wilcoxite

MgAl(SO4)2F·18H2O

triklin : 1, 1 : P1, P1

31.09.09.01

Other languages

German

Magnesioaubertit

Spanish

Magnesioaubertita

English

Magnesioaubertite

French

Magnesioaubertite

Russian

Магнезиообертит

Simplified Chinese

水镁铝铜矾

Alternative Name

Magnesio-Aubertit

IMA Number

IMA 1982-015

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

German pages

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English pages

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Russian pages

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