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Kamchatkite

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Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
© Brent Thorne

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Formula:
KCu
 
3
[O|Cl|(SO
 
4
)
 
2
]
System:OrthorhombicHardness:3½
Name:For the Kamchatka peninsula, in which the type locality is situated.
This page provides mineralogical data about Kamchatkite.

Classification of Kamchatkite

IMA status:Approved 1987
Strunz 8th edition ID:6/B.05-30
Nickel-Strunz 10th (pending) edition ID:7.BC.35

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
Dana 8th edition ID:30.2.8.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
2 : (AB)2(XO4)Zq
Hey's CIM Ref.:26.7

26 : Sulphates with Halide
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Type Occurrence of Kamchatkite

Type Locality:Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
Year of Discovery:1988

Physical Properties of Kamchatkite

Hardness (Mohs):3½

Crystallography of Kamchatkite

Crystal System:Orthorhombic
Cell Parameters:a = 9.74Å, b = 12.85Å, c = 7Å
Ratio:a:b:c = 0.758 : 1 : 0.545
Unit Cell Volume:V 876.11 ų (Calculated from Unit Cell)

Optical Data of Kamchatkite

Type:Biaxial (+)
RI values: nα = 1.695 nβ = 1.718 nγ = 1.759
2V:Measured: 75° , Calculated: 76°
Maximum Birefringence:δ = 0.064

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v

Chemical Properties of Kamchatkite

Formula:
KCu
 
3
[O|Cl|(SO
 
4
)
 
2
]
Essential elements:Cl, Cu, K, O, S
All elements listed in formula:Cl, Cu, K, O, S

Relationship of Kamchatkite to other Species

Related Minerals - Nickel-Strunz Grouping):
7.BC.05D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
7.BC.10Alunite
KAl
 
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Ammonioalunite
(NH
 
4
)Al
 
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Ammoniojarosite
(NH
 
4
)Fe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Argentojarosite
AgFe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Beaverite
Pb(Fe
3+
 
,Cu,Al)
 
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Dorallcharite
(Tl,K)Fe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Huangite
CaAl
 
6
[(OH)
 
3
|SO
 
4
]
 
4
7.BC.10Hydroniumjarosite
(H
 
3
O)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Jarosite
KFe
3+
 
 
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Minamiite
(Na,Ca
 
0.5
,K)Al
 
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Natroalunite
(Na,K)Al
 
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Natrojarosite
NaFe
 
3
[(OH)
 
3
|SO
 
4
]
 
2
7.BC.10Osarizawaite
Pb(Al,Cu)
 
3
[(OH,H
 
2
O)
 
3
|SO
 
4
]
 
2
7.BC.10Plumbojarosite
PbFe
3+
6
[(OH)
 
3
|SO
 
4
]
 
4
7.BC.10Walthierite
BaAl
 
6
[(OH)
 
3
|SO
 
4
]
 
4
7.BC.15Ye'elimite
Ca
 
4
Al
 
6
[O
 
12
|SO
 
4
]
7.BC.20Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
[Cl|O
 
3
|(SO
 
4
)
 
5
]
7.BC.20Nabokoite
KCu
 
7
Te
4+
 
[Cl|O
 
4
|(SO
 
4
)
 
5
]
7.BC.25Chlorothionite
K
 
2
Cu[Cl
 
2
|SO
 
4
]
7.BC.30Euchlorine
KNaCu
 
3
[O|(SO
 
4
)
 
3
]
7.BC.30Fedotovite
K
 
2
Cu
 
3
[O|(SO
 
4
)
 
3
]
7.BC.40Piypite
K
 
2
Cu
 
2
[O|(SO
 
4
)
 
2
]
7.BC.45Klyuchevskite
K
 
3
Cu
 
3
(Fe
3+
 
,Al)[O|(SO
 
4
)
 
2
]
 
2
7.BC.45Alumoklyuchevskite
K
 
3
Cu
 
3
(Al,Fe
3+
 
)[O|(SO
 
4
)
 
2
]
 
2
7.BC.50Caledonite
Cu
 
2
Pb
 
5
[(OH)
 
6
|CO
 
3
|(SO
 
4
)
 
3
]
7.BC.55Wherryite
Pb
 
4
CuCO
 
3
(SO
 
4
)
 
2
(Cl,OH)
 
2
O
7.BC.60Mammothite
Pb
 
6
Cu
 
4
AlSb[(OH)
 
9
|Cl
 
2
|SO
 
4
]
 
2
7.BC.65Linarite
PbCu[(OH)
 
2
|SO
 
4
]
7.BC.65Schmiederite
Pb
 
2
Cu
 
2
[(OH)
 
4
|SeO
 
3
|SeO
 
4
]
7.BC.65Munakataite
Pb
 
2
Cu
 
2
(Se
4+
 
O
 
3
)(SO
 
4
)(OH)
 
4
7.BC.70Chenite
Pb
 
4
Cu[(OH)
 
3
|SO
 
4
]
 
2
7.BC.75Krivovichevite
Pb
 
3
[Al(OH)
 
6
](SO
 
4
)(OH)
7.BC.80Anhydrokainite
KMgClSO
 
4
Related Minerals - Hey's Index Grouping:
26.1Kogarkoite
Na
 
3
[F|SO
 
4
]
26.2Sulphohalite
Na
 
6
[F|Cl|(SO
 
4
)
 
2
]
26.3Schairerite
Na
 
3
[(F,Cl)|SO
 
4
]
26.4Galeite
Na
 
15
[F
 
4
|Cl|(SO
 
4
)
 
5
]
26.5Connellite
Cu
 
19
[(OH)
 
32
|SO
 
4
|Cl
 
4
] · 3H
 
2
O
26.6Chlorothionite
K
 
2
Cu[Cl
 
2
|SO
 
4
]
26.8Spangolite
Cu
 
6
Al[(OH)
 
12
|Cl|SO
 
4
] · 3H
 
2
O
26.9Aubertite
CuAl[Cl|(SO
 
4
)
 
2
] · 14H
 
2
O
26.10Magnesioaubertite
(Mg,Cu)Al[Cl|(SO
 
4
)
 
2
] · 14H
 
2
O
26.11Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)[F|(SO
 
4
)
 
2
] · 14H
 
2
O
26.12D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
26.13Anhydrokainite
KMgClSO
 
4
26.14Kainite
KMg[Cl|SO
 
4
] · 3H
 
2
O
26.15Mosesite
[Hg
 
2
N]
+
 
(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
26.16Kleinite
[Hg
 
2
N]
+
3
Cl
 
2
S
 
0.5
 · H
 
2
O
26.17Wilcoxite
MgAl[F|(SO
 
4
)
 
2
] · 18H
 
2
O
26.18Creedite
Ca
 
3
[SO
 
4
|Al
 
2
F
 
8
(OH)
 
2
] · 2H
 
2
O
26.19Lannonite
HCa
 
4
Mg
 
2
Al
 
4
(SO
 
4
)
 
8
F
 
9
·32H
 
2
O
26.20Chukhrovite-(Y)
Ca
 
3
(Y,Ce)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.21Chukhrovite-(Ce)
Ca
 
3
(Ce,Y)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.22Grandreefite
Pb
 
2
SO
 
4
F
 
2
26.23Pseudograndreefite
Pb
 
6
SO
 
4
F
 
10
26.24Sundiusite
Pb
 
10
[O
 
8
|SO
 
4
|Cl
 
2
]
26.25Caracolite
Na
 
3
Pb
 
2
[Cl|(SO
 
4
)
 
3
]
26.26Mammothite
Pb
 
6
Cu
 
4
AlSb[(OH)
 
9
|Cl
 
2
|SO
 
4
]
 
2
26.27Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
[Cl|O
 
3
|(SO
 
4
)
 
5
]
26.28Xitieshanite
Fe
3+
 
[Cl|SO
 
4
] · 6H
 
2
O
26.29Nabokoite
KCu
 
7
Te
4+
 
[Cl|O
 
4
|(SO
 
4
)
 
5
]

Other Names for Kamchatkite

Synonyms:
IMA1987-018
German names:
Kamchatkit
Russian names:
Камчаткит
Spanish names:
Kamchatkita

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 Kamchatkite

Reference List:American Mineralogist (1992): 77: 212.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 117(4): 459-461.

Mineralogical Magazine: 54: 613-616.

Internet Links for Kamchatkite

Search Engines:
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    • External Links:
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  • Look for Kamchatkite on Wikipedia
  • Look for Kamchatkite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Kamchatkite in the Natural History Museum (London) online catalogue
  • Kamchatkite details from Handbook of Mineralogy (PDF)
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    Localities for Kamchatkite

    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.
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    (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'
    		No reference listed
          • Great Fissure (Main Fracture) eruption
            • Northern Breakthrough (North Breach)
              • Second scoria cone
    USA
     
    • Nevada
      • Churchill Co.
        • Table Mountain District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    Mineral and/or Locality
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