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Klyuchevskite

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About KlyuchevskiteHide

Formula:
K3Cu3(Fe3+,Al)(SO4)4O2
Colour:
Green
Lustre:
Vitreous, Sub-Metallic
Hardness:
Specific Gravity:
3.00 - 3.15
Crystal System:
Monoclinic
Name:
Named for the Klyuchevskaya group of volcanoes, of which the type locality Tolbachik volcano is one.
Isostructural with:
This page provides mineralogical data about Klyuchevskite.


Classification of KlyuchevskiteHide

Approved
Approval Year:
1987
First Published:
1989
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
30.4.1.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
4 : Miscellaneous
25.2.26

25 : Sulphates
2 : Sulphates of Cu and Ag

Physical Properties of KlyuchevskiteHide

Vitreous, Sub-Metallic
Transparency:
Transparent
Colour:
Green
Streak:
Pale green
Hardness:
3½ on Mohs scale
Cleavage:
Perfect
Density:
3.00 - 3.15 g/cm3 (Measured)    2.98 g/cm3 (Calculated)

Optical Data of KlyuchevskiteHide

Type:
Biaxial (-)
RI values:
nα = 1.549 nβ = 1.550 nγ = 1.680
Max Birefringence:
δ = 0.131
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
none

Chemical Properties of KlyuchevskiteHide

Formula:
K3Cu3(Fe3+,Al)(SO4)4O2
IMA Formula:
K3Cu3Fe3+O2(SO4)4
Common Impurities:
Pb

Crystallography of KlyuchevskiteHide

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

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
9.03 (100)
9.17 (95)
7.20 (35)
4.502 (25)
3.762 (55)
3.678 (23)
3.409 (28)

Type Occurrence of KlyuchevskiteHide

Place of Conservation of Type Material:
Mining Institute, St. Petersburg, Russia.
Reference:
Vergasova, L.P., Filatov, S.K., Gorskaya, M.G., Ananiev, V.V., Sharov, A.S. (1989) Klyuchevskite K3Cu3Fe3+O2(SO4)4 — a new mineral from volcanic sublimates. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 118(1): 70-73.

Synonyms of KlyuchevskiteHide

Other Language Names for KlyuchevskiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Melanothallite3 photos of Klyuchevskite associated with Melanothallite on mindat.org.
Euchlorine3 photos of Klyuchevskite associated with Euchlorine on mindat.org.
Chalcocyanite2 photos of Klyuchevskite associated with Chalcocyanite on mindat.org.
Eriochalcite2 photos of Klyuchevskite associated with Eriochalcite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.BC.Adranosite-(Fe)(NH4)4NaFe3+2(SO4)4Cl(OH)2Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.BC.Adranosite(NH4)4NaAl2(SO4)4Cl(OH)2Tet. 4/mmm (4/m 2/m 2/m) : I41/acd
7.BC.05D'AnsiteNa21Mg(SO4)10Cl3Iso.
7.BC.10AluniteKAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10Ammonioalunite(NH4)Al3(SO4)2(OH)6Trig.
7.BC.10Ammoniojarosite(NH4)Fe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10ArgentojarositeAgFe3+3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10Beaverite-(Cu)Pb(Fe3+2Cu)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10DorallchariteTlFe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10HuangiteCa0.5Al3(SO4)2(OH)6Trig.
7.BC.10Hydroniumjarosite(H3O)Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10JarositeKFe3+ 3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10Natroalunite-2c(Na,Ca0.5,K)Al3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10NatroaluniteNaAl3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10NatrojarositeNaFe3(SO4)2(OH)6Trig. 3m : R3m
7.BC.10OsarizawaitePb(Al2Cu2+)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10PlumbojarositePb0.5Fe3+3(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.10Schlossmacherite(H3O)Al3(SO4)2(OH)6Trig.
7.BC.10WalthieriteBa0.5Al3(SO4)2(OH)6Trig.
7.BC.10Beaverite-(Zn)Pb(Fe3+2Zn)(SO4)2(OH)6Trig. 3m (3 2/m) : R3m
7.BC.15Ye'elimiteCa4Al6(SO4)O12Iso.
7.BC.20AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
7.BC.20NabokoiteKCu7(SO4)5(Te4+O3)OClTet.
7.BC.25ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
7.BC.30EuchlorineKNaCu3(SO4)3OMon.
7.BC.30FedotoviteK2Cu3(SO4)3OMon. 2/m : B2/b
7.BC.35KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
7.BC.40PiypiteK4Cu4O2(SO4)4 · (Na,Cu)ClTet.
7.BC.45AlumoklyuchevskiteK3Cu3(Al,Fe3+)(SO4)4O2Tric. 1 : P1
7.BC.50CaledonitePb5Cu2(SO4)3(CO3)(OH)6Orth. mm2 : Pmn21
7.BC.55WherryitePb7Cu2(SO4)4(SiO4)2(OH)2Mon. 2/m : B2/m
7.BC.60MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
7.BC.65LinaritePbCu(SO4)(OH)2Mon. 2/m : P21/m
7.BC.65SchmiederitePb2Cu2(Se6+O4)(Se4+O3)(OH)4Mon.
7.BC.65MunakataitePb2Cu2(Se4+O3)(SO4)(OH)4Mon. 2/m : P21/m
7.BC.70ChenitePb4Cu(SO4)2(OH)6Tric. 1 : P1
7.BC.75KrivovichevitePb3Al(OH)6(SO4)(OH)Trig. 3m : R3c
7.BC.80AnhydrokainiteKMg(SO4)Cl

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

25.2.1ChalcocyaniteCuSO4Orth. mmm (2/m 2/m 2/m)
25.2.2BonattiteCuSO4 · 3H2OMon.
25.2.3ChalcanthiteCuSO4 · 5H2OTric. 1 : P1
25.2.4BoothiteCuSO4 · 7H2OMon.
25.2.5DolerophaniteCu2(SO4)OMon. 2/m : B2/m
25.2.6AntleriteCu3(SO4)(OH)4Orth. mmm (2/m 2/m 2/m)
25.2.7BrochantiteCu4(SO4)(OH)6Mon. 2/m : P21/b
25.2.8PosnjakiteCu4(SO4)(OH)6 · H2OMon. m : Pm
25.2.9LangiteCu4(SO4)(OH)6 · 2H2OMon. m
25.2.10WroewolfeiteCu4(SO4)(OH)6 · 2H2OMon. m : Pm
25.2.11KröhnkiteNa2Cu(SO4)2 · 2H2OMon. 2/m : P21/b
25.2.12NatrochalciteNaCu2(SO4)2(OH) · 2H2OMon. 2/m : B2/m
25.2.13PiypiteK4Cu4O2(SO4)4 · (Na,Cu)ClTet.
25.2.14FedotoviteK2Cu3(SO4)3OMon. 2/m : B2/b
25.2.15CyanochroiteK2Cu(SO4)2 · 6H2OMon. 2/m
25.2.16EuchlorineKNaCu3(SO4)3OMon.
25.2.17DevillineCaCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
25.2.18LeightoniteK2Ca2Cu(SO4)4 · 2H2OTric.
25.2.19ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2OMon. 2 : P21
25.2.20CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2OOrth.
25.2.21WoodwarditeCu1-xAlx(OH)2(SO4)x/2 · nH2OTrig. 3m (3 2/m) : R3m
25.2.22CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2OMon.
25.2.23GuilditeCuFe3+(SO4)2(OH) · 4H2OMon.
25.2.24RansomiteCuFe2(SO4)4 · 6H2OMon. 2/m : P21/b
25.2.27Poitevinite(Cu,Fe)SO4 · H2OTric.
25.2.28ArgentojarositeAgFe3+3(SO4)2(OH)6Trig. 3m : 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 KlyuchevskiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Vergasova, L.P., Filatov, S.K., Gorskaya, M.G., Ananiev, V.V., Sharov, A.S. (1989) Klyuchevskite K3Cu3Fe3+O2(SO4)4 — a new mineral from volcanic sublimates. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 118(1): 70-73.
Jambor, J.L., Puziewicz, J. (1990) New mineral names. American Mineralogist: 75: 1209-1216.
Gorskaya, M.G., Filatov, S.K., Rozhdestvenskaya, I.V., Vergasova, L.P. (1992) The crystal structure of klyuchevskite, K3Cu3(Fe,Al)O2(SO4)4, a new mineral from Kamchatka volcanic sublimates. Mineralogical Magazine: 56: 411-416.
Jambor, J.L., Puziewicz, J. (1993) New mineral names. American Mineralogist: 78: 450-455.

Internet Links for KlyuchevskiteHide

Localities for KlyuchevskiteHide

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.
Russia (TL)
 
  • Far-Eastern Region
    • Kamchatka Oblast'
      • Tolbachik volcano
ZVMO,(1989) 118, n1, 70-73; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Northern Breakthrough (North Breach)
            • Second scoria cone
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Zelenski, M.E., Zubkova, N.V., Pekov, I.V., Polekhovsky, Yu.S. & Pushcharovsky, D.Yu. (2012): Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24, 749-757.
Mineral and/or Locality  
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