Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Klyuchevskite

Big Photo

Second scoria cone, Northern Breakthrough (North Breach), Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
© Pavel M. Kartashov

Formula:
K
 
3
Cu
 
3
(Fe
3+
 
,Al)[O|(SO
 
4
)
 
2
]
 
2
System:MonoclinicColour:Green
Lustre:VitreousHardness:3½
This page provides mineralogical data about Klyuchevskite.

Classification of Klyuchevskite

IMA status:Approved 1987
Strunz 8th edition ID:6/B.05-50
Nickel-Strunz 10th (pending) edition ID:7.BC.45

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:30.4.1.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
4 : Miscellaneous
Hey's CIM Ref.:25.2.26

25 : Sulphates
2 : Sulphates of Cu and Ag
mindat.org URL:http://www.mindat.org/min-2227.html
Please feel free to link to this page.

Type Occurrence of Klyuchevskite

Type Locality:Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
Year of Discovery:1989

Physical Properties of Klyuchevskite

Lustre:Vitreous
Colour:Green
Hardness (Mohs):3½

Crystallography of Klyuchevskite

Crystal System:Monoclinic
Cell Parameters:a = 18.41Å, b = 4.94Å, c = 18.64Å
β = 101.5°
Ratio:a:b:c = 3.727 : 1 : 3.773
Unit Cell Volume:V 1,661.19 ų (Calculated from Unit Cell)

Optical Data of Klyuchevskite

Type:Biaxial (-)
RI values: nα = 1.549 nβ = 1.550 nγ = 1.680
Maximum Birefringence:δ = 0.131

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:none

Chemical Properties of Klyuchevskite

Formula:
K
 
3
Cu
 
3
(Fe
3+
 
,Al)[O|(SO
 
4
)
 
2
]
 
2
Essential elements:Cu, Fe, K, O, S
All elements listed in formula:Al, Cu, Fe, K, O, S
Common Impurities:Pb

Relationship of Klyuchevskite 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.35Kamchatkite
KCu
 
3
[O|Cl|(SO
 
4
)
 
2
]
7.BC.40Piypite
K
 
2
Cu
 
2
[O|(SO
 
4
)
 
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:
25.2.1Chalcocyanite
CuSO
 
4
25.2.2Bonattite
CuSO
 
4
·3H
 
2
O
25.2.3Chalcanthite
CuSO
 
4
·5H
 
2
O
25.2.4Boothite
CuSO
 
4
·7H
 
2
O
25.2.5Dolerophanite
Cu
 
2
[O|SO
 
4
]
25.2.6Antlerite
Cu
 
3
[(OH)
 
4
|SO
 
4
]
25.2.7Brochantite
Cu
 
4
[(OH)
 
6
|SO
 
4
]
25.2.8Posnjakite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · H
 
2
O
25.2.9Langite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · 2H
 
2
O
25.2.10Wroewolfeite
Cu
 
4
[(OH)
 
6
|SO
 
4
] · 2H
 
2
O
25.2.11Kröhnkite
Na
 
2
Cu(SO
 
4
)
 
2
·2H
 
2
O
25.2.12Natrochalcite
NaCu
 
2
[OH|(SO
 
4
)
 
2
] · 2H
 
2
O
25.2.13Piypite
K
 
2
Cu
 
2
[O|(SO
 
4
)
 
2
]
25.2.14Fedotovite
K
 
2
Cu
 
3
[O|(SO
 
4
)
 
3
]
25.2.15Cyanochroite
K
 
2
Cu(SO
 
4
)
 
2
·6H
 
2
O
25.2.16Euchlorine
KNaCu
 
3
[O|(SO
 
4
)
 
3
]
25.2.17Devilline
CaCu
 
4
(SO
 
4
)
 
2
(OH)
 
6
·3H
 
2
O
25.2.18Leightonite
K
 
2
Ca
 
2
Cu(SO
 
4
)
 
4
·2H
 
2
O
25.2.19Chalcoalumite
CuAl
 
4
[(OH)
 
12
|SO
 
4
] · 3H
 
2
O
25.2.20Cyanotrichite
Cu
 
4
Al
 
2
[(OH)
 
12
|SO
 
4
] · 2H
 
2
O
25.2.21Woodwardite
Cu
 
4
Al
 
2
[(OH)
 
12
|SO
 
4
] · 2-4H
 
2
O
25.2.22Campigliaite
Mn
2+
 
Cu
 
4
[(OH)
 
6
|(SO
 
4
)
 
2
] · 4H
 
2
O
25.2.23Guildite
CuFe
3+
 
[OH|(SO
 
4
)
 
2
] · 4H
 
2
O
25.2.24Ransomite
CuFe
 
2
(SO
 
4
)
 
4
·6H
 
2
O
25.2.27Poitevinite
(Cu,Fe,Zn)SO
 
4
·H
 
2
O
25.2.28Argentojarosite
AgFe
3+
3
[(OH)
 
3
|SO
 
4
]
 
2

Other Names for Klyuchevskite

Synonyms:
IMA1987-027
German names:
Klyuchevskit
Spanish names:
Klyuchevskita

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 Klyuchevskite

Reference List:American Mineralogist (1993): 78: 454.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 118(1): 70-73.

Mineralogical Magazine: 56: 411-416.

Internet Links for Klyuchevskite

Search Engines:
  • Look for Klyuchevskite on Google
  • Look for Klyuchevskite images on Google
    • External Links:
  • Look for Klyuchevskite on Webmineral
  • Look for Klyuchevskite on Athena Mineralogy
  • Look for Klyuchevskite on Wikipedia
  • Look for Klyuchevskite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Klyuchevskite in the Natural History Museum (London) online catalogue
  • Klyuchevskite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Search for Klyuchevskite at Thames Valley Minerals
  • Buy fine minerals and gemstones from Pala International
  • Wendel Minerals - Auktion & Shop
  • Top quality minerals from Kristalle of California
  • High-end worldwide specimens & outstanding customer service
  • Fabre Minerals - search for Klyuchevskite specimens
  • Search for Klyuchevskite on minvision.com
  • Buy Fine Minerals from mineralsweb.com
  • Fine Minerals from Dan Weinrich Minerals
  • Buy from David K Joyce minerals
  • Find Klyuchevskite on www.crystalclassics.co.uk
  • The Arkenstone - Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Klyuchevskite

    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.
    These maps work faster with Firefox!
    (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
    		ZVMO,(1989) 118, n1, 70-73
            • Northern Breakthrough (North Breach)
              • Second scoria cone
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.