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Haydeeite

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Formula:
Cu3Mg(OH)6Cl2
Colour:
bluish green
Lustre:
Vitreous
Hardness:
2
Specific Gravity:
3.287 (Calculated)
Crystal System:
Trigonal
Member of:
Name:
for the type locality, Haydee mine, Atacama, Chile
Isostructural with:
Atacamite Group.
The Mg analogue of kapellasite.


Hide all sections | Show all sections

Classification of HaydeeiteHide

Approved
Approval Year:
2006
3.DA.10c

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
A : With Cu, etc., without Pb
10.1.2.5

10 : OXYHALIDES AND HYDROXYHALIDES
1 : A2(O,OH)3Xq

Physical Properties of HaydeeiteHide

Vitreous
Transparency:
Transparent
Colour:
bluish green
Streak:
greenish blue
Hardness:
Hardness Data:
Measured
Tenacity:
Brittle
Cleavage:
Perfect
{0001} perfect
Fracture:
Irregular/Uneven
Density:
3.287 g/cm3 (Calculated)

Optical Data of HaydeeiteHide

Type:
Uniaxial (-)
RI values:
nω = 1.753 nε = 1.710
Birefringence:
0.043
Max Birefringence:
δ = 0.043
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High

Chemical Properties of HaydeeiteHide

Formula:
Cu3Mg(OH)6Cl2

Crystallography of HaydeeiteHide

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3m1
Cell Parameters:
a = 6.2733 Å, c = 5.7472 Å
Ratio:
a:c = 1 : 0.916
Unit Cell V:
195.88 ų
Z:
1

X-Ray Powder DiffractionHide

Powder Diffraction Data:
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)

Type Occurrence of HaydeeiteHide

Synonyms of HaydeeiteHide

Other Language Names for HaydeeiteHide

Simplified Chinese:氯羟镁铜石

Relationship of Haydeeite to other SpeciesHide

Member of:
Other Members of this group:
AtacamiteCu2(OH)3ClOrth. mmm (2/m 2/m 2/m) : Pnma
BotallackiteCu2(OH)3ClMon. 2/m : P21/m
ClinoatacamiteCu2(OH)3ClMon. 2/m
GillarditeCu3Ni(OH)6Cl2Trig. 3m (3 2/m) : R3m
HerbertsmithiteCu3Zn(OH)6Cl2Trig. 3m (3 2/m) : R3m
IyoiteMnCuCl(OH)3Mon. 2/m : P21/m
KapellasiteCu3Zn(OH)6Cl2Trig. 3m (3 2/m) : P3m1
LeverettiteCu3Co(OH)6Cl2Trig. 3 : R3
MisakiiteCu3Mn(OH)6Cl2Trig. 3m (3 2/m) : P3m1
ParatacamiteCu3(Cu,Zn)(OH)6Cl2Trig. 3m (3 2/m)
Paratacamite-(Mg)Cu3(Mg,Cu)(OH)6Cl2Trig. 3 : R3
Paratacamite-(Ni)Cu3(Ni,Cu)(OH)6Cl2Trig. 3 : R3
TondiiteCu3Mg(OH)6Cl2Trig. 3m (3 2/m) : R3m
Unnamed (Cu-Zn Chloride Hydroxide)CuZnCl(OH)3Mon. 2/m : P21/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Atacamite8 photos of Haydeeite associated with Atacamite on mindat.org.
Gypsum1 photo of Haydeeite associated with Gypsum on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

3.DA.05MelanothalliteCu2Cl2OOrth.
3.DA.10aAtacamiteCu2(OH)3ClOrth. mmm (2/m 2/m 2/m) : Pnma
3.DA.10bBotallackiteCu2(OH)3ClMon. 2/m : P21/m
3.DA.10bClinoatacamiteCu2(OH)3ClMon. 2/m
3.DA.10aHibbingiteFe2+2(OH)3ClOrth.
3.DA.10aKempiteMn2+2(OH)3ClOrth. mmm (2/m 2/m 2/m) : Pnma
3.DA.10cParatacamiteCu3(Cu,Zn)(OH)6Cl2Trig. 3m (3 2/m)
3.DA.10bBelloiteCu(OH)ClMon. 2/m : P21/b
3.DA.10cHerbertsmithiteCu3Zn(OH)6Cl2Trig. 3m (3 2/m) : R3m
3.DA.10cKapellasiteCu3Zn(OH)6Cl2Trig. 3m (3 2/m) : P3m1
3.DA.10cGillarditeCu3Ni(OH)6Cl2Trig. 3m (3 2/m) : R3m
3.DA.15ClaringbulliteCu4ClF(OH)6Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DA.15BarlowiteCu4BrF(OH)6Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DA.20SimonkolleiteZn5Cl2(OH)8 · H2OTrig. 3m (3 2/m) : P3m1
3.DA.25ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DA.25ConnelliteCu19(SO4)(OH)32Cl4 · 3H2OHex. 6 m2 : P62c
3.DA.30AbhuriteSn21Cl16(OH)14O6Trig.
3.DA.35PonomareviteK4Cu4Cl10OMon.
3.DA.40AnthonyiteCu(OH,Cl)2 · 3H2OMon. 2/m
3.DA.40CalumetiteCu(OH,Cl)2 · 2H2OOrth.
3.DA.45KhaidarkaniteNa0.34Cu4Al3(OH)14F3 · 2H2OMon.
3.DA.50BobkingiteCu5Cl2(OH)8 · 2H2OMon. 2/m : B2/m
3.DA.55AvdoniniteK2Cu5(OH)4Cl8 · H2OMon. 2/m
3.DA.60DroninoiteNi6Fe2+3(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m

Related Minerals - Dana Grouping (8th Ed.)Hide

10.1.2.1ParatacamiteCu3(Cu,Zn)(OH)6Cl2Trig. 3m (3 2/m)
10.1.2.4GillarditeCu3Ni(OH)6Cl2Trig. 3m (3 2/m) : R3m

Other InformationHide

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 HaydeeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 (2011): Magnetic properties of geometrically frustrated polymorphic crystals of Cu4-xMgx(OH)6Cl2. J. Phys.: Conf. Ser. 273, 012123.
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 HaydeeiteHide

Localities for HaydeeiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Chile
 
  • Arica and Parinacota Region
    • Arica Province
      • Caleta Vítor district
Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.; Malcherek, T., Bindi, L., Dini, M., Ghiara, M. R., Molina Donoso, A., Nestola, F., Rossi, M., Schlüter, J. (2014): Tondiite, Cu3Mg(OH)6Cl2, the Mg-analogue of herbertsmithite. Mineralogical Magazine 78, 583-590.
      • Los Camarones
        • Cuya
Kampf, A.R., Sciberras, M.J., Leverett, P., Williams, P.A., Malcherek, T., Schlüter, J., Welch, M.D., Dini, M., Molina Donoso, A.A. (2013): Paratacamite-(Mg), Cu3(Mg,Cu)Cl2(OH)6; a new substituted basic copper chloride mineral from Camerones, Chile. Mineralogical Magazine, 77, 3113-3124.
  • Tarapacá Region
    • El Tamarugal Province
      • Salar Grande
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