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Aubertite

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Formula:
CuAl(SO4)2Cl · 14H2O
System:
Triclinic
Colour:
Azure-blue.
Lustre:
Vitreous
Hardness:
2 - 3
Member of:
Name:
Named for J. Aubert (1929-), French geophysicist who collected the mineral.
This page provides mineralogical data about Aubertite.

Classification of Aubertite

Approved
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 7th ed.:
31.9.8.1
31.9.8.1

31 : HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
9 : (AB)(XO4)Zq·xH2O
26.9

26 : Sulphates with Halide
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Type Occurrence of Aubertite

Year of Discovery:
1978

Physical Properties of Aubertite

Vitreous
Colour:
Azure-blue.
Streak:
(not reported)
Hardness (Mohs):
2 - 3

Crystallography of Aubertite

Crystal System:
Triclinic
Cell Parameters:
a = 6.28Å, b = 13.23Å, c = 6.28Å
α = 91.17°, β = 94.67°, γ = 82.45°
Ratio:
a:b:c = 0.475 : 1 : 0.475

Optical Data of Aubertite

Type:
Biaxial (-)
RI values:
nα = 1.462 nβ = 1.482 nγ = 1.495
2V:
Measured: 71° , Calculated: 76°
Max Birefringence:
δ = 0.033
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v strong

Chemical Properties of Aubertite

Formula:
CuAl(SO4)2Cl · 14H2O
Essential elements:
All elements listed in formula:

Relationship of Aubertite to other Species

Member of:
Other Members of Group:
Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
7.DB.05Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
7.DB.05Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
7.DB.10KhademiteAl(SO4)F · 5H2O
7.DB.10RostiteAl(SO4)(OH) · 5H2O
7.DB.15JurbaniteAl(SO4)(OH) · 5H2O
7.DB.20Minasragrite(V4+O)(SO4) · 5H2O
7.DB.20Orthominasragrite(V4+O)(SO4) · 5H2O
7.DB.20Anorthominasragrite(V4+O)(SO4) · 5H2O
7.DB.25Bobjonesite(V4+O)(SO4) · 3H2O
7.DB.30AmarantiteFe23+(SO4)2O · 7H2O
7.DB.30HohmanniteFe23+(SO4)2O · 8H2O
7.DB.30MetahohmanniteFe23+(SO4)2O · 4H2O
7.DB.35AluminocopiapiteAl2/3Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2O
7.DB.35CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2O
7.DB.35FerricopiapiteFe5(SO4)6O(OH) · 20H2O
7.DB.35MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
7.DB.35ZincocopiapiteZnFe43+(SO4)6(OH)2 · 18H2O
26.1KogarkoiteNa3(SO4)F
26.2SulphohaliteNa6(SO4)2FCl
26.3SchaireriteNa3(SO4)(F,Cl)
26.4GaleiteNa15(SO4)5F4Cl
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
26.6ChlorothioniteK2Cu(SO4)Cl2
26.7KamchatkiteKCu3(SO4)2OCl
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.11Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
26.12D'AnsiteNa21Mg(SO4)10Cl3
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2O
26.15Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
26.16Kleinite(Hg2N)(Cl,SO4) · nH2O
26.17WilcoxiteMgAl(SO4)2F · 17H2O
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2O
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O
26.20Chukhrovite-(Y)Ca3(Y,Ce)[F|SO4|(AlF6)2] · 10H2O
26.21Chukhrovite-(Ce)Ca3(Ce,Y)[F|SO4|(AlF6)2] · 10H2O
26.22GrandreefitePb2(SO4)F2
26.23PseudograndreefitePb6(SO4)F10
26.24SundiusitePb10(SO4)O8Cl2
26.25CaracoliteNa3Pb2(SO4)3Cl
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3Cl
26.28XitieshaniteFe3+(SO4)Cl · 6H2O
26.29NabokoiteKCu7(SO4)5(Te4+O3)OCl

Other Names for Aubertite

Name in Other Languages:
German:Aubertit
Simplified Chinese:水氯铝铜矾
Spanish:Aubertita

Other Information

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

References for Aubertite

Reference List:
American Mineralogist: 65: 205.

Acta Crystallographica: B50: 481-510.

Internet Links for Aubertite

Localities for Aubertite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Argentina
 
  • San Juan
    • Calingasta Department
      • Calingasta
        • Quebrada Alcaparrosa
Gunnar Farber
Chile
 
  • Antofagasta Region
    • Antofagasta Province
      • Sierra Gorda District
        • Caracoles
Samples analysed by Dr. Jochen Schluter, Curator of Hamburg Mineralogical Museum, Germany
Chukanov, N.V., Krivovichev, S.V., Chernyatieva, A.P., Mohn, G., Pekov, I.V., Belakovskiy, D.I., Van, K.V., Lorenz, J.A. (2013): Vendidaite, Al2(SO4)(OH)3Cl·6H2O, a new mineral from La vendida copper mine, Antofagasta Region, Chile. Canadian Mineralogist. 51, 559-568.
    • El Loa Province
      • Calama
        • Chuquicamata District
          • Toki Cu deposit (Toki Cluster)
Bull.Min.(1979) 102, 348-350
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Sounion Area
          • Agia Varvara Mines (St Barbara Mines)
No reference listed
Italy
 
  • Sardinia
    • Medio Campidano Province
      • Furtei
Da Pelo, S. & Frau, F (2000):, Magnesian aubertite, (Cu,Mg)Al(SO4)2Cl·14H4O, from the gold mine of Furtei in Sardinia, Italy. Neues Jahrbuch für Mineralogie, Monatshefte, 2000(6), 279-288.
  • Sicily
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
          • Vulcano Island
            • Porto Levante
P.Forti, M.Panzica La Manna and A.Rossi (1994) The peculiar mineralogic site of the Alum cave (Vulcano, Sicily). Proceedings of the 7th International Symposium on Vulcanospeleology November 1994 p.35-44.
  • Tuscany
    • Livorno Province
      • Elba Island
        • Rio Marina
Rolf Luetcke specimen
Peru
 
  • Tacna Department
    • Jorge Basadre Province
Diaby, N., Dold, B., Buselli, E., & Vicetti, R. (2006). EFFECTS ON ELEMENT MOBILITY BY THE CONSTRUCTION OF A WETLAND ON THE MARINE SHORE PORPHYRY COPPER TAILINGS DEPOSIT, BAHÍA DE ITE, PERU. In 7th International Conference on Acid Rock Drainage (ICARD), March (pp. 26-30).
Mineral and/or Locality  
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