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Kapellasite

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Formula:
Cu3Zn(OH)6Cl2
System:
Trigonal
Member of:
Name:
Named after Christo Kapellas (1938-2004), collector and mineral dealer of Kamariza, Lavrion, Greece.
Isostructural with:
Atacamite Group.
A metastable polymorph of Herbertsmithite. Has been confused with Botallackite ("Zn-bearing botallackite"; Wendel et al., 1999); both are visually very similar.
Also known as a synthetic compound (phase IIα of Feitknecht and Maget, 1949).

The Mg analogue of kapellasite is called haydeeite.

Classification of Kapellasite

Approved 2005
3.DA.10c

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
A : With Cu, etc., without Pb
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First Recorded Occurrence of Kapellasite

Crystallography of Kapellasite

Crystal System:
Trigonal
Class (H-M):
3m (3 2/m) - Hexagonal Scalenohedral
Space Group:
P3m1
Cell Parameters:
a = 6.3Å, c = 5.733Å
Ratio:
a:c = 1 : 0.91
Unit Cell Volume:
V 197.06 ų
Z:
1
X-Ray Powder Diffraction Data:
d-spacingIntensity
5.73(100)
2.865(11)
2.761(12)
2.730(39)
2.464(81)
1.976(32)
1.576(17)
1.519(10)
Comments:
From type description

Chemical Properties of Kapellasite

Formula:
Cu3Zn(OH)6Cl2
Essential elements:
All elements listed in formula:

Relationship of Kapellasite to other Species

Member of:
Other Members of Group:
AnatacamiteCu2(OH)3Cl
AtacamiteCu2(OH)3Cl
BotallackiteCu2(OH)3Cl
ClinoatacamiteCu2(OH)3Cl
GillarditeCu3Ni(OH)6Cl2
HaydeeiteCu3Mg(OH)6Cl2
HerbertsmithiteCu3Zn(OH)6Cl2
IyoiteMnCuCl(OH)3
LeverettiteCu3Co(OH)6Cl2
MisakiiteCu3Mn(OH)6Cl2
ParatacamiteCu3(Cu,Zn)(OH)6Cl2
Paratacamite-(Mg)Cu3(Mg,Cu)(OH)6Cl2
Paratacamite-(Ni)Cu3(Ni,Cu)(OH)6Cl2
TondiiteCu3Mg(OH)6Cl2
3.DA.05MelanothalliteCu2Cl2O
3.DA.10aAtacamiteCu2(OH)3Cl
3.DA.10bBotallackiteCu2(OH)3Cl
3.DA.10bClinoatacamiteCu2(OH)3Cl
3.DA.10aHibbingiteFe22+(OH)3Cl
3.DA.10aKempiteMn22+(OH)3Cl
3.DA.10cParatacamiteCu3(Cu,Zn)(OH)6Cl2
3.DA.10bBelloiteCu(OH)Cl
3.DA.10cHerbertsmithiteCu3Zn(OH)6Cl2
3.DA.10cGillarditeCu3Ni(OH)6Cl2
3.DA.10cHaydeeiteCu3Mg(OH)6Cl2
3.DA.10dAnatacamiteCu2(OH)3Cl
3.DA.15ClaringbulliteCu4ClF(OH)6
3.DA.15BarlowiteCu4BrF(OH)6
3.DA.20SimonkolleiteZn5Cl2(OH)8 · H2O
3.DA.25ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2O
3.DA.25ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
3.DA.30AbhuriteSn21Cl16(OH)14O6
3.DA.35PonomareviteK4Cu4Cl10O
3.DA.40AnthonyiteCu(OH,Cl)2 · 3H2O
3.DA.40CalumetiteCu(OH,Cl)2 · 2H2O
3.DA.45KhaidarkaniteNa0.34Cu4Al3(OH)14F3 · 2H2O
3.DA.50BobkingiteCu5Cl2(OH)8 · 2H2O
3.DA.55AvdoniniteK2Cu5(OH)4Cl8 · H2O
3.DA.60DroninoiteNi6Fe32+(OH)16Cl2 · 4H2O

Other Names for Kapellasite

Name in Other Languages:
German:Kapellasit

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 Kapellasite

Reference List:
Feitknecht, W. and Maget, K. (1949): Über Doppelhydroxyde und basische Doppelsalze. Über basische Doppelchloride des Kupfers. Helvetica Chimica Acta, 32, 1653-1667 (in German).

Wendel, W., Blaß, G., Mühlbauer, W. and Markl, G. (1999) Hilarion - Plaka - Sounion: Laurion News 1997-1999. Lapis, 24(7), 64-67 (in German).

W. Krause, H.-J. Bernhardt, R. S. W. Braithwaite, U. Kolitsch and R. Pritchard (2006): Kapellasite, Cu3Zn(OH)6Cl2, a new mineral from Lavrion, Greece. Mineral. Mag. 70, 329-340.

Internet Links for Kapellasite

Localities for Kapellasite

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.
Germany
 
  • Lower Saxony
    • Harz
      • Goslar
        • Astfeld
W. Krause, H.-J. Bernhardt, R. S. W. Braithwaite, U. Kolitsch and R. Pritchard (2006): Kapellasite, Cu3Zn(OH)6Cl2, a new mineral from Lavrion, Greece. Mineral. Mag. 70, 329-340.
Greece
 
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Sounion area
          • Sounion Mines
W. Krause, H.-J. Bernhardt, R. S. W. Braithwaite, U. Kolitsch and R. Pritchard (2006): Kapellasite, Cu3Zn(OH)6Cl2, a new mineral from Lavrion, Greece. Mineral. Mag. 70, 329-340.
Mineral and/or Locality  
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