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Aubertite

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Formula:
Cu2+Al(SO4)2Cl · 14H2O
System:
Triclinic
Colour:
Azure-blue.
Lustre:
Vitreous
Hardness:
2 - 3
Member of:
Name:
Named for J. Aubert (1929-), geophysicist and assistant director at the Inst. Natl. Geophysics, France, who collected the mineral in 1961.
This page provides mineralogical data about Aubertite.


Classification of Aubertite

Approved
First Published:
1979
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

Physical Properties of Aubertite

Vitreous
Diaphaneity (Transparency):
Translucent
Colour:
Azure-blue.
Streak:
(not reported)
Hardness (Mohs):
2 - 3
Cleavage:
Perfect
Perfect on {010}
Density:
1.815 g/cm3 (Measured)    1.85 g/cm3 (Calculated)

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

IMA Formula:
Cu2+Al(SO4)2Cl · 14H2O
Elements listed in formula:

Crystallography of Aubertite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Cell Parameters:
a = 6.28 Å, b = 13.23 Å, c = 6.28 Å
α = 91.17°, β = 94.67°, γ = 82.45°
Ratio:
a:b:c = 0.475 : 1 : 0.475
Unit Cell Volume:
V 515.50 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
4.50 (100)
4.247 (69)
3.952 (58)
6.25 (45)
5.59 (44)
3.690 (42)
3.130 (42)

Type Occurrence of Aubertite

General Appearance of Type Material:
Azure-blue crusts of corroded grains.
Place of Conservation of Type Material:
University of Pierre and Marie Curie, Paris.
National School of Mines, Paris, France.
Geological Setting of Type Material:
Oxidized zone of a copper deposit.
Associated Minerals at Type Locality:

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.05MagnesioaubertiteMgAl(SO4)2Cl · 14H2O
7.DB.05SvyazhiniteMgAl(SO4)2F · 14H2O
7.DB.10KhademiteAlSO4F · 5H2O
7.DB.10RostiteAlSO4(OH) · 5H2O
7.DB.15JurbaniteAlSO4(OH) · 5H2O
7.DB.20MinasragriteV4+O(SO4) · 5H2O
7.DB.20OrthominasragriteV4+O(SO4) · 5H2O
7.DB.20AnorthominasragriteV4+O(SO4) · 5H2O
7.DB.25BobjonesiteV4+OSO4 · 3H2O
7.DB.30AmarantiteFe23+O(SO4)2 · 7H2O
7.DB.30HohmanniteFe23+O(SO4)2 · 8H2O
7.DB.30MetahohmanniteFe23+O(SO4)2 · 4H2O
7.DB.35Aluminocopiapite(Al,Mg)Fe43+(SO4)6(OH,O)2 · 20H2O
7.DB.35CalciocopiapiteCaFe43+(SO4)6(OH)2 · 20H2O
7.DB.35CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35CuprocopiapiteCu2+Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35FerricopiapiteFe3+0.67Fe43+(SO4)6(OH)2 · 20H2O
7.DB.35MagnesiocopiapiteMgFe43+(SO4)6(OH)2 · 20H2O
7.DB.35ZincocopiapiteZnFe43+(SO4)6(OH)2 · 20H2O
26.1KogarkoiteNa3SO4F
26.2SulphohaliteNa6(SO4)2ClF
26.3SchaireriteNa21(SO4)7ClF6
26.4GaleiteNa15(SO4)5ClF4
26.5ConnelliteCu36(SO4)(OH)62Cl8 · 6H2O
26.6ChlorothioniteK2CuSO4Cl2
26.7KamchatkiteKCu3O(SO4)2Cl
26.8SpangoliteCu6AlSO4(OH)12Cl · 3H2O
26.10MagnesioaubertiteMgAl(SO4)2Cl · 14H2O
26.11SvyazhiniteMgAl(SO4)2F · 14H2O
26.12D'AnsiteNa21Mg(SO4)10Cl3
26.13AnhydrokainiteKMgSO4Cl
26.14KainiteKMg(SO4)Cl · 3H2O
26.15MosesiteHg2N(Cl,SO4,MoO4,CO3) · H2O
26.16KleiniteHg2N(Cl,SO4) · nH2O
26.17WilcoxiteMgAl(SO4)2F · 18H2O
26.18CreediteCa3Al2(SO4)(OH)2F8 · 2H2O
26.19LannoniteHCa4Mg2Al4(SO4)8F9 · 32H2O
26.20Chukhrovite-(Y)Ca3YAl2(SO4)F13 · 10H2O
26.21Chukhrovite-(Ce)Ca3CeAl2(SO4)F13 · 10H2O
26.22GrandreefitePb2(SO4)F2
26.23PseudograndreefitePb6(SO4)F10
26.24SundiusitePb10(SO4)O8Cl2
26.25CaracoliteNa2(Pb2Na)(SO4)3Cl
26.26MammothitePb6Cu4AlSb5+O2(SO4)2Cl4(OH)16
26.27AtlasoviteCu62+Fe3+Bi3+O4(SO4)5 · KCl
26.28XitieshaniteFe3+SO4Cl · 6H2O
26.29NabokoiteCu7Te4+O4(SO4)5 · KCl

Other Names for Aubertite

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

Other Information

Other Information:
Water soluable.
Special Storage/
Display Requirements:
Must be kept dry.
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:
Cesbron, F., Ginderow, D., Sichère, M., Vachey, H. (1979) L`aubertite, un nouveau chloro-sulfate hydraté de cuivre et d`aluminium. Bulletin de Minéralogie: 102: 348-350.

Ginderow, D., Cesbron, F. (1979) Structure cristalline de l'aubertite, AlCuCl(SO4)2·14H2O. Acta Crystallographica: B35: 2499-2502.

Fleischer, M., Pabst, A., Mandarino, J.A. (1980) New mineral names. American Mineralogist: 65: 205-210.

Hawthorne, F.C. (1994) Structural aspects of oxide and oxysalt crystals. Acta Crystallographica: B50: 481-510.

Internet Links for Aubertite

mindat.org URL:
https://www.mindat.org/min-416.html
Please feel free to link to this page.

Localities for Aubertite

This 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
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
              • Faraglioni di Levante (Grotte dei Faraglioni; Grotte del Faraglione; "Grotte de Faraglione")
                • Faraglione Nico (Faraglione Piccolo; Faragghiune Nicu)
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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