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Tolbachite

Big Photo

Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
© Thomas Witzke

Formula:
CuCl
 
2
System:MonoclinicColour:Brown to golden-brown
Name:Named after its discovery locality, Large Fissure Tolbachik eruption near Tolbachik volcano, Kamchatka, Russia.


Lawrencite Group.

Classification of Tolbachite

IMA status:Approved 1982
Strunz 8th edition ID:3/A.07-30
Nickel-Strunz 10th (pending) edition ID:3.AB.05

3 : HALIDES
A : Simple halides, without H2O
B : M:X = 1:2
Dana 8th edition ID:9.2.8.2

9 : NORMAL HALIDES
2 : AX2
Hey's CIM Ref.:8.2.2

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
2 : Halides of Cu
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Type Occurrence of Tolbachite

Type Locality:First scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
Year of Discovery:1984

Physical Properties of Tolbachite

Colour:Brown to golden-brown

Crystallography of Tolbachite

Crystal System:Monoclinic
Cell Parameters:a = 6.89Å, b = 3.31Å, c = 6.82Å
β = 122.3°
Ratio:a:b:c = 2.082 : 1 : 2.06
Unit Cell Volume:V 131.47 ų (Calculated from Unit Cell)

Chemical Properties of Tolbachite

Formula:
CuCl
 
2
Essential elements:Cl, Cu
All elements listed in formula:Cl, Cu

Relationship of Tolbachite to other Species

Member of Group:
Lawrencite Group:
AX
 
2
 where A = Fe, Mn, Mg, Cu and X = Cl
Related Minerals - Nickel-Strunz Grouping):

- +
3.AB.10Coccinite
HgI
 
2
3.AB.15Sellaite
MgF
 
2
3.AB.20Chloromagnesite
MgCl
 
2
3.AB.20Lawrencite
(Fe
2+
 
,Ni)Cl
 
2
3.AB.20Scacchite
MnCl
 
2
3.AB.25Fluorite
CaF
 
2
3.AB.25Frankdicksonite
BaF
 
2
3.AB.25IMA2009-014
SrF
 
2
3.AB.30Tveitite-(Y)
(Y, Na)
 
6
Ca
 
6
Ca
 
6
F
 
42
3.AB.35Gagarinite-(Y)
NaCaY(F,Cl)
 
6
3.AB.35Zajacite-(Ce)
Na(REE
 
x
Ca
 
1-x
)(REE
 
y
Ca
 
1-y
)F
 
6
3.AB.35IMA2009-015
NaSrCeF
 
6
Related Minerals - Hey's Index Grouping:

- +
8.2.1Nantokite
CuCl
8.2.3Eriochalcite
CuCl
 
2
·2H
 
2
O
8.2.4Atacamite
Cu
 
2
[(OH)
 
3
|Cl]
8.2.5Paratacamite
Cu
 
3
(Cu,Zn)[(OH)
 
3
|Cl]
 
2
8.2.6Botallackite
Cu
 
2
[(OH)
 
3
|Cl]
8.2.7Melanothallite
Cu
 
2
[O|Cl
 
2
]
8.2.8Calumetite
Cu(OH,Cl)
 
2
 · 2H
 
2
O
8.2.9Anthonyite
Cu(OH,Cl)
 
2
 · 3H
 
2
O
8.2.10Claringbullite
Cu
 
4
[(OH)
 
7
|Cl] · nH
 
2
O
8.2.11Marshite
CuI
8.2.12Mitscherlichite
K
 
2
[CuCl
 
4
] · 2H
 
2
O
8.2.13Ponomarevite
K
 
4
Cu
 
4
[O|Cl
 
10
]

Other Names for Tolbachite

Synonyms:
IMA1982-067
Other Languages:
German:Tolbachit
Russian:Толбачит
Spanish:Tolbachita

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 Tolbachite

Reference List:Doklady Akademii Nauk SSSR (1983), 270, 415-417.

American Mineralogist (1984): 69: 408.

American Mineralogist (1993): 78: 187-189.

Internet Links for Tolbachite

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    Localities for Tolbachite

    Hide Locality List
    The 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. ? 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.
    Russia
     
    • Far-Eastern Region
      • Kamchatka Oblast'
        • Tolbachik volcano
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
            • Northern Breakthrough (North Breach)
    		DAN-SSSR,(1983) 270, 415-417; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
              • Second scoria cone
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    USA
     
    • Arizona
      • Cochise Co.
        • Mule Mts
          • Warren District
    		[MinRec 24:421]
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 398; Graeme, R. (1993), Bisbee revisited, Min.Rec.: 24: 421-436.
    Mineral and/or Locality
    Google
     
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