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Magnesioaubertite

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Alum Grotto, Porto Levante, Vulcano Island, Eolie Islands (Aeolian Islands), Lipari, Messina Province, Sicily, Italy
© Dan Weinrich

Show Magnesioaubertite Photos (4)



Formula:
(Mg,Cu)Al(SO
 
4
)
 
2
Cl · 14H
 
2
O
Hardness:2 - 3
This page provides mineralogical data about Magnesioaubertite.

Classification of Magnesioaubertite

IMA status:Approved
Strunz 8th edition ID:6/D.07-30
Nickel-Strunz 10th (pending) edition ID:7.DB.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
B : With only medium-sized cations; insular octahedra and finite units
Dana 8th edition ID:31.9.8.3

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
Hey's CIM Ref.:26.10

26 : Sulphates with Halide
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Type Occurrence of Magnesioaubertite

Type Locality:Faraglione Ranni, Porto Levante, Vulcano Island, Eolie Islands (Aeolian Islands), Lipari, Messina Province, Sicily, Italy

Physical Properties of Magnesioaubertite

Hardness (Mohs):2 - 3

Optical Data of Magnesioaubertite

Type:Biaxial (-)
RI values: nα = 1.466 nβ = 1.481 nγ = 1.488
2V:Measured: 112° to 114°, Calculated: 66°
Maximum Birefringence:δ = 0.022

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:relatively weak

Chemical Properties of Magnesioaubertite

Formula:
(Mg,Cu)Al(SO
 
4
)
 
2
Cl · 14H
 
2
O
Essential elements:Al, Cl, H, Mg, O, S
All elements listed in formula:Al, Cl, Cu, H, Mg, O, S

Relationship of Magnesioaubertite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.DB.05Aubertite
CuAl(SO
 
4
)
 
2
Cl · 14H
 
2
O
7.DB.05Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)(SO
 
4
)
 
2
F · 14H
 
2
O
7.DB.10Khademite
Al(SO
 
4
)F · 5H
 
2
O
7.DB.10Rostite
Al(SO
 
4
)(OH) · 5H
 
2
O
7.DB.15Jurbanite
Al(SO
 
4
)(OH) · 5H
 
2
O
7.DB.20Minasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
7.DB.20Orthominasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
7.DB.20Anorthominasragrite
(V
4+
 
O)(SO
 
4
) · 5H
 
2
O
7.DB.25Bobjonesite
(V
4+
 
O)(SO
 
4
) · 3H
 
2
O
7.DB.30Amarantite
Fe
3+
2
(SO
 
4
)
 
2
O · 7H
 
2
O
7.DB.30Hohmannite
Fe
3+
2
(SO
 
4
)
 
2
O · 8H
 
2
O
7.DB.30Metahohmannite
Fe
3+
2
(SO
 
4
)
 
2
O · 4H
 
2
O
7.DB.35Aluminocopiapite
Al
 
2/3
Fe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
 · 20H
 
2
O
7.DB.35Calciocopiapite
CaFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
 · 10H
 
2
O
7.DB.35Copiapite
Fe
2+
 
Fe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
 · 20H
 
2
O
7.DB.35Cuprocopiapite
CuFe
 
4
(SO
 
4
)
 
6
(OH)
 
2
 · 20H
 
2
O
7.DB.35Ferricopiapite
Fe
 
5
(SO
 
4
)
 
6
O(OH) · 20H
 
2
O
7.DB.35Magnesiocopiapite
MgFe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
 · 20H
 
2
O
7.DB.35Zincocopiapite
ZnFe
3+
4
(SO
 
4
)
 
6
(OH)
 
2
 · 18H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
26.1Kogarkoite
Na
 
3
(SO
 
4
)F
26.2Sulphohalite
Na
 
6
(SO
 
4
)
 
2
FCl
26.3Schairerite
Na
 
3
(SO
 
4
)(F,Cl)
26.4Galeite
Na
 
15
(SO
 
4
)
 
5
F
 
4
Cl
26.5Connellite
Cu
 
19
(SO
 
4
)(OH)
 
32
Cl
 
4
 · 3H
 
2
O
26.6Chlorothionite
K
 
2
Cu(SO
 
4
)Cl
 
2
26.7Kamchatkite
KCu
 
3
(SO
 
4
)
 
2
OCl
26.8Spangolite
Cu
 
6
Al(SO
 
4
)(OH)
 
12
Cl · 3H
 
2
O
26.9Aubertite
CuAl(SO
 
4
)
 
2
Cl · 14H
 
2
O
26.11Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)(SO
 
4
)
 
2
F · 14H
 
2
O
26.12D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
26.13Anhydrokainite
KMg(SO
 
4
)Cl
26.14Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
26.15Mosesite
(Hg
 
2
N)(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
26.16Kleinite
(Hg
 
2
N)(Cl,SO
 
4
) · nH
 
2
O
26.17Wilcoxite
MgAl(SO
 
4
)
 
2
F · 18H
 
2
O
26.18Creedite
Ca
 
3
SO
 
4
Al
 
2
F
 
8
(OH)
 
2
 · 2H
 
2
O
26.19Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
 · 32H
 
2
O
26.20Chukhrovite-(Y)
Ca
 
3
(Y,Ce)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.21Chukhrovite-(Ce)
Ca
 
3
(Ce,Y)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.22Grandreefite
Pb
 
2
(SO
 
4
)F
 
2
26.23Pseudograndreefite
Pb
 
6
(SO
 
4
)F
 
10
26.24Sundiusite
Pb
 
10
(SO
 
4
)O
 
8
Cl
 
2
26.25Caracolite
Na
 
3
Pb
 
2
(SO
 
4
)
 
3
Cl
26.26Mammothite
Pb
 
6
Cu
 
4
AlSb(SO
 
4
)
 
2
(OH)
 
18
Cl
 
4
26.27Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
(SO
 
4
)
 
5
O
 
3
Cl
26.28Xitieshanite
Fe
3+
 
(SO
 
4
)Cl · 6H
 
2
O
26.29Nabokoite
KCu
 
7
(SO
 
4
)
 
5
(Te
4+
 
O
 
3
)OCl

Other Names for Magnesioaubertite

Synonyms:
IMA1982-015
Other Languages:
German:Magnesioaubertit
Spanish:Magnesioaubertita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Magnesioaubertite

Reference List:

- +
American Mineralogist (1990): 75: 1433.

Internet Links for Magnesioaubertite

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    • Localities for Magnesioaubertite

    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Chile
     
    • Antofagasta Region
      • Antofagasta Province
        • Sierra Gorda District
          • Caracoles
    		 Malcherek, T. & Schlüter, J. (2010): Anatacamite from La Vendida mine, Sierra Gorda, Atacama desert, Chile: a triclinic polymorph of Cu2(OH)3Cl. Neues Jahrbuch für Mineralogie - Abhandlungen, 187, 307-312.; Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.
    Italy
     
    • Sicily
      • Messina Province
        • Lipari
          • Eolie Islands (Aeolian Islands)
            • Vulcano Island
              • Porto Levante
    		GEBHARD G., MEDENBACH O., GEBERT W. (1988): Magnesioaubertit, (Mg,Cu)Al(SO4)2Cl.14H2O ein neues Chlorsulfat von Vulcano, Liparische Inseln. - Der Aufschluss - 39, 2, 97-102. GARAVELLI A., GRASSO M.F., VURRO F. (1996): Mineral occurrence and depositional processes at Baia di Levante area (Vulcano Island, Italy). - Mineralogica et Petrographica Acta - 39, 251- 261.
    GEBHARD G., MEDENBACH O., GEBERT W. (1988): Magnesioaubertit, (Mg,Cu)Al(SO4)2Cl.14H2O ein neues Chlorsulfat von Vulcano, Liparische Inseln. - Der Aufschluss - 39, 2, 97-102. GARAVELLI A., GRASSO M.F., VURRO F. (1996): Mineral occurrence and depositional processes at Baia di Levante area (Vulcano Island, Italy). - Mineralogica et Petrographica Acta - 39, 251- 261.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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