Euchlorine
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About Euchlorine
Formula:
KNaCu3(SO4)3O
Colour:
Emerald-green; emerald-green in transmitted light.
Crystal System:
Monoclinic
Member of:
Name:
From the Greek εΰχλωρος for "pale green," in allusion to its colour.
May form a group: "euchlorine group"; in this group the unit cell parameter a is very sensitive to the Na/K ratio.
Structurally related to fedotovite and puninite.
Structurally related to fedotovite and puninite.
Classification of Euchlorine
Approved, 'Grandfathered' (first described prior to 1959)
6/B.06-10
7.BC.30
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
C : With medium-sized and large cations
30.3.1.1
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)5(XO4)3Zq
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)5(XO4)3Zq
25.2.16
25 : Sulphates
2 : Sulphates of Cu and Ag
25 : Sulphates
2 : Sulphates of Cu and Ag
Physical Properties of Euchlorine
Colour:
Emerald-green; emerald-green in transmitted light.
Cleavage:
Imperfect/Fair
Cleavage observed in two unstated directions.
Cleavage observed in two unstated directions.
Optical Data of Euchlorine
Type:
Biaxial (+)
RI values:
nα = 1.580 nβ = 1.605 nγ = 1.644
Max Birefringence:
δ = 0.064

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v
Pleochroism:
Visible
Comments:
X = Pale grass green
Y = Grass-green
Z = Bright yellow-green
Y = Grass-green
Z = Bright yellow-green
Comments:
2V moderately large.
Chemical Properties of Euchlorine
Formula:
KNaCu3(SO4)3O
IMA Formula:
KNaCu3O(SO4)3
Crystallography of Euchlorine
Crystal System:
Monoclinic
Morphology:
Crystals are rectangular tablets {001} and slightly elongated [100]. As incrustations.
Type Occurrence of Euchlorine
Synonyms of Euchlorine
Other Language Names for Euchlorine
Relationship of Euchlorine to other Species
Common Associates
Associated Minerals Based on Photo Data:
Dolerophanite | 16 photos of Euchlorine associated with Dolerophanite on mindat.org. |
Chalcocyanite | 15 photos of Euchlorine associated with Chalcocyanite on mindat.org. |
Tenorite | 7 photos of Euchlorine associated with Tenorite on mindat.org. |
Melanothallite | 4 photos of Euchlorine associated with Melanothallite on mindat.org. |
Klyuchevskite | 3 photos of Euchlorine associated with Klyuchevskite on mindat.org. |
Lammerite | 2 photos of Euchlorine associated with Lammerite on mindat.org. |
Bonattite | 1 photo of Euchlorine associated with Bonattite on mindat.org. |
Alumoklyuchevskite | 1 photo of Euchlorine associated with Alumoklyuchevskite on mindat.org. |
Anglesite | 1 photo of Euchlorine associated with Anglesite on mindat.org. |
Related Minerals - Nickel-Strunz Grouping
7.BC. | Adranosite-(Fe) | (NH4)4NaFe3+2(SO4)4Cl(OH)2 | Tet. 4/mmm (4/m 2/m 2/m) : I41/acd |
7.BC. | Adranosite | (NH4)4NaAl2(SO4)4Cl(OH)2 | Tet. 4/mmm (4/m 2/m 2/m) : I41/acd |
7.BC.05 | D'Ansite | Na21Mg(SO4)10Cl3 | Iso. |
7.BC.10 | Alunite | KAl3(SO4)2(OH)6 | Trig. 3m : R3m |
7.BC.10 | Ammonioalunite | (NH4)Al3(SO4)2(OH)6 | Trig. |
7.BC.10 | Ammoniojarosite | (NH4)Fe3+3(SO4)2(OH)6 | Trig. 3m : R3m |
7.BC.10 | Argentojarosite | AgFe3+3(SO4)2(OH)6 | Trig. 3m : R3m |
7.BC.10 | Beaverite-(Cu) | Pb(Fe3+2Cu)(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.10 | Dorallcharite | TlFe3+3(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.10 | Huangite | Ca0.5Al3(SO4)2(OH)6 | Trig. |
7.BC.10 | Hydroniumjarosite | (H3O)Fe3+3(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.10 | Jarosite | KFe3+ 3(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.10 | Natroalunite-2c | (Na,Ca0.5,K)Al3(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.10 | Natroalunite | NaAl3(SO4)2(OH)6 | Trig. 3m : R3m |
7.BC.10 | Natrojarosite | NaFe3(SO4)2(OH)6 | Trig. 3m : R3m |
7.BC.10 | Osarizawaite | Pb(Al2Cu2+)(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.10 | Plumbojarosite | Pb0.5Fe3+3(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.10 | Schlossmacherite | (H3O)Al3(SO4)2(OH)6 | Trig. |
7.BC.10 | Walthierite | Ba0.5Al3(SO4)2(OH)6 | Trig. |
7.BC.10 | Beaverite-(Zn) | Pb(Fe3+2Zn)(SO4)2(OH)6 | Trig. 3m (3 2/m) : R3m |
7.BC.15 | Ye'elimite | Ca4Al6(SO4)O12 | Iso. |
7.BC.20 | Atlasovite | K(BiO)Cu6Fe3+(SO4)5O3Cl | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
7.BC.20 | Nabokoite | KCu7(SO4)5(Te4+O3)OCl | Tet. |
7.BC.25 | Chlorothionite | K2Cu(SO4)Cl2 | Orth. mmm (2/m 2/m 2/m) : Pnma |
7.BC.30 | Fedotovite | K2Cu3(SO4)3O | Mon. 2/m : B2/b |
7.BC.35 | Kamchatkite | KCu3(SO4)2OCl | Orth. mmm (2/m 2/m 2/m) : Pnma |
7.BC.40 | Piypite | K4Cu4O2(SO4)4 · (Na,Cu)Cl | Tet. |
7.BC.45 | Klyuchevskite | K3Cu3(Fe3+,Al)(SO4)4O2 | Mon. |
7.BC.45 | Alumoklyuchevskite | K3Cu3(Al,Fe3+)(SO4)4O2 | Tric. 1 : P1 |
7.BC.50 | Caledonite | Pb5Cu2(SO4)3(CO3)(OH)6 | Orth. mm2 : Pmn21 |
7.BC.55 | Wherryite | Pb7Cu2(SO4)4(SiO4)2(OH)2 | Mon. 2/m : B2/m |
7.BC.60 | Mammothite | Pb6Cu4AlSb5+O2(OH)16Cl4(SO4)2 | Mon. 2 : B2 |
7.BC.65 | Linarite | PbCu(SO4)(OH)2 | Mon. 2/m : P21/m |
7.BC.65 | Schmiederite | Pb2Cu2(Se6+O4)(Se4+O3)(OH)4 | Mon. |
7.BC.65 | Munakataite | Pb2Cu2(Se4+O3)(SO4)(OH)4 | Mon. 2/m : P21/m |
7.BC.70 | Chenite | Pb4Cu(SO4)2(OH)6 | Tric. 1 : P1 |
7.BC.75 | Krivovichevite | Pb3Al(OH)6(SO4)(OH) | Trig. 3m : R3c |
7.BC.80 | Anhydrokainite | KMg(SO4)Cl |
Related Minerals - Hey's Chemical Index of Minerals Grouping
25.2.1 | Chalcocyanite | CuSO4 | Orth. mmm (2/m 2/m 2/m) |
25.2.2 | Bonattite | CuSO4 · 3H2O | Mon. |
25.2.3 | Chalcanthite | CuSO4 · 5H2O | Tric. 1 : P1 |
25.2.4 | Boothite | CuSO4 · 7H2O | Mon. |
25.2.5 | Dolerophanite | Cu2(SO4)O | Mon. 2/m : B2/m |
25.2.6 | Antlerite | Cu3(SO4)(OH)4 | Orth. mmm (2/m 2/m 2/m) |
25.2.7 | Brochantite | Cu4(SO4)(OH)6 | Mon. 2/m : P21/b |
25.2.8 | Posnjakite | Cu4(SO4)(OH)6 · H2O | Mon. m : Pm |
25.2.9 | Langite | Cu4(SO4)(OH)6 · 2H2O | Mon. m |
25.2.10 | Wroewolfeite | Cu4(SO4)(OH)6 · 2H2O | Mon. m : Pm |
25.2.11 | Kröhnkite | Na2Cu(SO4)2 · 2H2O | Mon. 2/m : P21/b |
25.2.12 | Natrochalcite | NaCu2(SO4)2(OH) · 2H2O | Mon. 2/m : B2/m |
25.2.13 | Piypite | K4Cu4O2(SO4)4 · (Na,Cu)Cl | Tet. |
25.2.14 | Fedotovite | K2Cu3(SO4)3O | Mon. 2/m : B2/b |
25.2.15 | Cyanochroite | K2Cu(SO4)2 · 6H2O | Mon. 2/m |
25.2.17 | Devilline | CaCu4(SO4)2(OH)6 · 3H2O | Mon. 2/m : P21/b |
25.2.18 | Leightonite | K2Ca2Cu(SO4)4 · 2H2O | Tric. |
25.2.19 | Chalcoalumite | CuAl4(SO4)(OH)12 · 3H2O | Mon. 2 : P21 |
25.2.20 | Cyanotrichite | Cu4Al2(SO4)(OH)12 · 2H2O | Orth. |
25.2.21 | Woodwardite | Cu1-xAlx(OH)2(SO4)x/2 · nH2O | Trig. 3m (3 2/m) : R3m |
25.2.22 | Campigliaite | Mn2+Cu4(SO4)2(OH)6 · 4H2O | Mon. |
25.2.23 | Guildite | CuFe3+(SO4)2(OH) · 4H2O | Mon. |
25.2.24 | Ransomite | CuFe2(SO4)4 · 6H2O | Mon. 2/m : P21/b |
25.2.26 | Klyuchevskite | K3Cu3(Fe3+,Al)(SO4)4O2 | Mon. |
25.2.27 | Poitevinite | (Cu,Fe)SO4 · H2O | Tric. |
25.2.28 | Argentojarosite | AgFe3+3(SO4)2(OH)6 | Trig. 3m : R3m |
Other Information
Notes:
Partially soluble in water.
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 Euchlorine
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Scacchi, A. (1869)(as Euclorina).
Scacchi, E. (1884) Acc. Napoli, Rendus": 126 (as Euclorina).
Rammelsberg, C.F. (1886) Handbuch der Mineralchemie. ergänzungsheft: 87.
Goldschmidt, V. (1916) Atlas der Krystallformen. 9 volumes, atlas, and text: vol. 3: 156.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 571 (as Euchlorin).
Mineralogical Abstracts: 42: 22.
Neues Jahrbuch für Mineralogie, Abhandlungen: 161: 241-253.
Siidra, O.I., Nazarchuk, E.V., Zaitsev, A.N., Lukina, E.A., Avdontseva, E.Y., Vergasova, L.P., Vlasenko, N.S., Filatov, S.K., Turner, R. and Karpov, G.A. (2016): Copper oxosulphates from fumaroles of Tolbachik Vulcano: puninite, Na2Cu3O(SO4)3 - a new mineral species and structure refinements of kamchatkite and alumoklyuchevskite. European Journal of Mineralogy: 28: (in press); http://forum.amiminerals.it/viewtopic.php?f=5&t=13355 (2017)
Internet Links for Euchlorine
mindat.org URL:
https://www.mindat.org/min-1416.html
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Please feel free to link to this page.
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External Links:
Mineral Dealers:
Specimens:
The following Euchlorine specimens are currently listed for sale on minfind.com.
Localities for Euchlorine
Locality List




All localities listed without proper references should be considered as questionable.
El Salvador | |
| http://www.geo.mtu.edu/volcanoes/central_america/el_salvador/izalco/fumar.html; Amer.Min.(1985) 70, 193-196 |
Italy (TL) | |
| Scacchi, E. (1884) Acc. Napoli, Rendus": 126 (as Euclorina); Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 429, 552, 571; NJMM (1989), 541; Lapis (1994): 5 p.13-23, 58. |
Russo, M., Punzo, I. (2004): I minerali del Somma-Vesuvio, AMI | |
Poland | |
| Ł. Kruszewski PXRD data (to be published soon) |
Russia | |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |
| Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow |
Pekov, I. V., Zubkova, N. V., Zelenski, M. E., Yapaskurt, V. O., Polekhovsky, Y. S., Fadeeva, O. A., & Pushcharovsky, D. Y. (2013). Yaroshevskite, Cu9O2 (VO4) 4Cl2, a new mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 77(1), 107-116. | |
Pekov, I.V., Zubkova, N.V., Yapaskurt, V.O., Belakovskiy, D.I., Chukanov, N.V., Lykova, I.S., Savelyev, D.P., Sidorov, E.G., Pushcharovsky, D.Yu. (2014): Wulffite, K3NaCu4O2(SO4)4, and parawulffite, K5Na3Cu8O4(SO4)8, two new minerals from fumarole sublimates of the Tolbachik Volcano, Kamchatka, Russia. Canadian Mineralogist, 52, 699-716. | |
European Journal of Mineralogy; October 2000; v. 12; no. 5; p. 1041-1044 | |
Bykova E Y, Berlepsch P, Kartashov P M, Brugger J, Armbruster T, Criddle A J (1998) Vergasovaite Cu3O[(Mo,S)O4][SO4], a new copper-oxy-molybdate-sulfate from Kamchatka, Schweizerische Mineralogische und Petrographische Mitteilungen, 78, 479-488 | |
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.; Chukanov, N. V., Murashko, M. N., Zadov, A. E., & Bushmakin, A. F. (2007). Avdoninite, K 2 Cu 5 Cl 8 (OH) 4· H 2 O, a new mineral species from volcanic exhalations and the technogenic zone at volcanic-hosted massive sulfide deposits. Geology of Ore Deposits, 49(7), 505-508. |
Great Fissure eruption, Tolbachik volcano, Kamchatka Krai, Russia