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Haydeeite

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Haydee Mine, Salar Grande, Iquique Province, Tarapacá Region, Chile
© Brent Thorne 2007

Show Haydeeite Photos (18)



Formula:
Cu
 
3
Mg(OH)
 
6
Cl
 
2
System:Trigonal
Member of:Atacamite Group
Name:for the type locality, Haydee mine, Atacama, Chile
Isostructural with:Kapellasite


Atacamite Group.
The Mg analogue of kapellasite.

Classification of Haydeeite

IMA status:Approved 2006
Strunz 9th edition ID:3.DA.10
Nickel-Strunz 10th (pending) edition ID:3.DA.10c

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
A : With Cu, etc., without Pb
Dana 8th edition ID:10.1.2.5

10 : OXYHALIDES AND HYDROXYHALIDES
1 : A2(O,OH)3Xq
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Type Occurrence of Haydeeite

Type Locality:Haydee Mine, Salar Grande, Iquique Province, Tarapacá Region, Chile

Crystallography of Haydeeite

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:R3m
Cell Parameters:a = 6.2728Å, c = 5.7462Å
Ratio:a:c = 1 : 0.916
Unit Cell Volume:V 195.81 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
5.745 (100)
2.872 (17)
2.54 (1)
2.455 (2)
1.972 (1)
1.915 (9)
1.565 (1)
1.437 (1)

Chemical Properties of Haydeeite

Formula:
Cu
 
3
Mg(OH)
 
6
Cl
 
2
Essential elements:Cl, Cu, H, Mg, O
All elements listed in formula:Cl, Cu, H, Mg, O

Relationship of Haydeeite to other Species

Member of:Atacamite Group
Other Members of Group:

- +
Anatacamite
Cu
 
2
Cl(OH)
 
3
Atacamite
Cu
 
2
(OH)
 
3
Cl
Botallackite
Cu
 
2
(OH)
 
3
Cl
Clinoatacamite
Cu
 
2
(OH)
 
3
Cl
Gillardite
Cu
 
3
Ni(OH)
 
6
Cl
 
2
Herbertsmithite
Cu
 
3
Zn(OH)
 
6
Cl
 
2
Kapellasite
Cu
 
3
Zn(OH)
 
6
Cl
 
2
Paratacamite
Cu
 
3
(Cu,Zn)(OH)
 
6
Cl
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
3.DA.05Melanothallite
Cu
 
2
Cl
 
2
O
3.DA.10aAtacamite
Cu
 
2
(OH)
 
3
Cl
3.DA.10bBotallackite
Cu
 
2
(OH)
 
3
Cl
3.DA.10bClinoatacamite
Cu
 
2
(OH)
 
3
Cl
3.DA.10aHibbingite
Fe
2+
2
(OH)
 
3
Cl
3.DA.10aKempite
Mn
2+
2
(OH)
 
3
Cl
3.DA.10cParatacamite
Cu
 
3
(Cu,Zn)(OH)
 
6
Cl
 
2
3.DA.10bBelloite
Cu(OH)Cl
3.DA.10cHerbertsmithite
Cu
 
3
Zn(OH)
 
6
Cl
 
2
3.DA.10cKapellasite
Cu
 
3
Zn(OH)
 
6
Cl
 
2
3.DA.10cGillardite
Cu
 
3
Ni(OH)
 
6
Cl
 
2
3.DA.10dAnatacamite
Cu
 
2
Cl(OH)
 
3
3.DA.15Claringbullite
Cu
 
4
(OH)
 
7
Cl · nH
 
2
O
3.DA.15Barlowite
Cu
 
4
BrF(OH)
 
6
3.DA.20Simonkolleite
Zn
 
5
Cl
 
2
(OH)
 
8
 · H
 
2
O
3.DA.25Buttgenbachite
Cu
 
19
(NO
 
3
)
 
2
(OH)
 
32
Cl
 
4
 · 2H
 
2
O
3.DA.25Connellite
Cu
 
19
(SO
 
4
)(OH)
 
32
Cl
 
4
 · 3H
 
2
O
3.DA.30Abhurite
Sn
 
21
Cl
 
16
(OH)
 
14
O
 
6
3.DA.35Ponomarevite
K
 
4
Cu
 
4
Cl
 
10
O
3.DA.40Anthonyite
Cu(OH,Cl)
 
2
 · 3H
 
2
O
3.DA.40Calumetite
Cu(OH,Cl)
 
2
 · 2H
 
2
O
3.DA.45Khaidarkanite
Na
 
0.34
Cu
 
4
Al
 
3
(OH)
 
14
F
 
3
 · 2H
 
2
O
3.DA.50Bobkingite
Cu
 
5
Cl
 
2
(OH)
 
8
 · 2H
 
2
O
3.DA.55Avdoninite
K
 
2
Cu
 
5
(OH)
 
4
Cl
 
8
 · H
 
2
O
3.DA.60Droninoite
Ni
 
3
Fe
3+
 
Cl(OH)
 
8
 · 2H
 
2
O

Other Names for Haydeeite

Synonyms:
IMA2006-046
Other Languages:

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 Haydeeite

Reference List:

- +
Malcherek, T. & Schlüter, J. (2007): Cu3MgCl2(OH)6 and the bond-valence parameters of the OH-Cl bond. Acta Crystallographica, B63, 157-160.

Schlüter, J. & Malcherek, T (2007): Haydeeite,Cu3MgCl2(OH)6, a new mineral from the Haydee mine, Salar Grande, Atacama desert, Chile": N. Jahrb. Mineral. Abh. 184, 39-42.

Shaoyan Chu, Tyrel M. McQueen, Robin Chisnell, Danna E. Freedman, Peter Müller, Young S. Lee and Daniel G. Nocera: Cu2+(S = 1/2) Kagomé Antiferromagnet: MgxCu4−x(OH)6Cl2. J. Am. Chem. Soc., Article ASAP.

Internet Links for Haydeeite

Search Engines:
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    • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
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  • Rare and Unusual minerals at Mineralogical Research Company
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    • Localities for Haydeeite

    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
     
    • Arica and Parinacota Region
      • Caleta Vitor district
    		Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.
    • Tarapacá Region
      • Iquique Province
        • Salar Grande
    		IMA website
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