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Euchlorine

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Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
© Brent Thorne

Show Euchlorine Photos (11)



Formula:
KNaCu
 
3
(SO
 
4
)
 
3
O
System:MonoclinicColour:Emerald-green; ...
Name:From the Greek εΰχλωρος for "pale green," in allusion to its colour.
This page provides mineralogical data about Euchlorine.

Classification of Euchlorine

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:6/B.06-10
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:30.3.1.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
3 : (AB)5(XO4)3Zq
Hey's CIM Ref.:25.2.16

25 : Sulphates
2 : Sulphates of Cu and Ag
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Type Occurrence of Euchlorine

Type Locality:Mt. Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Physical Properties of Euchlorine

Colour:Emerald-green; emerald-green in transmitted light.
Cleavage:Imperfect/Fair
Cleavage observed in two unstated directions.

Crystallography of Euchlorine

Crystal System:Monoclinic
Morphology:Crystals are rectangular tablets {001} and slightly elongated [100]. As incrustations.

Optical Data of Euchlorine

Type:Biaxial (+)
RI values: nα = 1.580 nβ = 1.605 nγ = 1.644
Maximum Birefringence:δ = 0.064

Chart shows birefringence interference colour range (at 30µm thickness) 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
Comments:2V moderately large.

Chemical Properties of Euchlorine

Formula:
KNaCu
 
3
(SO
 
4
)
 
3
O
Essential elements:Cu, K, Na, O, S
All elements listed in formula:Cu, K, Na, O, S

Relationship of Euchlorine 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
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Ammonioalunite
(NH
 
4
)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Ammoniojarosite
(NH
 
4
)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Argentojarosite
AgFe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Beaverite-(Cu)
Pb(Fe
3+
 
,Cu)
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Dorallcharite
(Tl,K)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Huangite
Ca
 
0.5
Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Hydroniumjarosite
(H
 
3
O)Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Jarosite
KFe
3+
 
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Minamiite
(Na,Ca
 
0.5
,K)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Natroalunite
(Na,K)Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Natrojarosite
NaFe
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Osarizawaite
Pb(Al,Cu)
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Plumbojarosite
Pb
 
0.5
Fe
3+
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.10Schlossmacherite
(H
 
3
O,Ca)Al
 
3
(SO
 
4
,AsO
 
4
)
 
2
(OH)
 
6
7.BC.10Walthierite
Ba
 
0.5
Al
 
3
(SO
 
4
)
 
2
(OH)
 
6
7.BC.15Ye'elimite
Ca
 
4
Al
 
6
(SO
 
4
)O
 
12
7.BC.20Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
(SO
 
4
)
 
5
O
 
3
Cl
7.BC.20Nabokoite
KCu
 
7
(SO
 
4
)
 
5
(Te
4+
 
O
 
3
)OCl
7.BC.25Chlorothionite
K
 
2
Cu(SO
 
4
)Cl
 
2
7.BC.30Fedotovite
K
 
2
Cu
 
3
(SO
 
4
)
 
3
O
7.BC.35Kamchatkite
KCu
 
3
(SO
 
4
)
 
2
OCl
7.BC.40Piypite
K
 
2
Cu
 
2
(SO
 
4
)
 
2
O
7.BC.45Klyuchevskite
K
 
3
Cu
 
3
(Fe
3+
 
,Al)(SO
 
4
)
 
4
O
 
2
7.BC.45Alumoklyuchevskite
K
 
3
Cu
 
3
(Al,Fe
3+
 
)(SO
 
4
)
 
4
O
 
2
7.BC.50Caledonite
Cu
 
2
Pb
 
5
(SO
 
4
)
 
3
(CO
 
3
)(OH)
 
6
7.BC.55Wherryite
Pb
 
7
Cu
 
2
(SO
 
4
)
 
4
(SiO
 
4
)
 
2
(OH)
 
2
7.BC.60Mammothite
Pb
 
6
Cu
 
4
AlSb(SO
 
4
)
 
2
(OH)
 
18
Cl
 
4
7.BC.65Linarite
PbCu(SO
 
4
)(OH)
 
2
7.BC.65Schmiederite
Pb
 
2
Cu
 
2
(Se
6+
 
O
 
4
)(Se
4+
 
O
 
3
)(OH)
 
4
7.BC.65Munakataite
Pb
 
2
Cu
 
2
(Se
4+
 
O
 
3
)(SO
 
4
)(OH)
 
4
7.BC.70Chenite
Pb
 
4
Cu(SO
 
4
)
 
2
(OH)
 
6
7.BC.75Krivovichevite
Pb
 
3
Al(SO
 
4
)(OH)
 
7
7.BC.80Anhydrokainite
KMg(SO
 
4
)Cl
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
(SO
 
4
)O
25.2.6Antlerite
Cu
 
3
(SO
 
4
)(OH)
 
4
25.2.7Brochantite
Cu
 
4
(SO
 
4
)(OH)
 
6
25.2.8Posnjakite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · H
 
2
O
25.2.9Langite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · 2H
 
2
O
25.2.10Wroewolfeite
Cu
 
4
(SO
 
4
)(OH)
 
6
 · 2H
 
2
O
25.2.11Kröhnkite
Na
 
2
Cu(SO
 
4
)
 
2
 · 2H
 
2
O
25.2.12Natrochalcite
NaCu
 
2
(SO
 
4
)
 
2
(OH) · 2H
 
2
O
25.2.13Piypite
K
 
2
Cu
 
2
(SO
 
4
)
 
2
O
25.2.14Fedotovite
K
 
2
Cu
 
3
(SO
 
4
)
 
3
O
25.2.15Cyanochroite
K
 
2
Cu(SO
 
4
)
 
2
 · 6H
 
2
O
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
(SO
 
4
)(OH)
 
12
 · 3H
 
2
O
25.2.20Cyanotrichite
Cu
 
4
Al
 
2
(SO
 
4
)(OH)
 
12
 · 2H
 
2
O
25.2.21Woodwardite
Cu
 
4
Al
 
2
(SO
 
4
)(OH)
 
12
 · 2-4H
 
2
O
25.2.22Campigliaite
Mn
2+
 
Cu
 
4
(SO
 
4
)
 
2
(OH)
 
6
 · 4H
 
2
O
25.2.23Guildite
CuFe
3+
 
(SO
 
4
)
 
2
(OH) · 4H
 
2
O
25.2.24Ransomite
CuFe
 
2
(SO
 
4
)
 
4
 · 6H
 
2
O
25.2.26Klyuchevskite
K
 
3
Cu
 
3
(Fe
3+
 
,Al)(SO
 
4
)
 
4
O
 
2
25.2.27Poitevinite
(Cu,Fe,Zn)SO
 
4
 · H
 
2
O
25.2.28Argentojarosite
AgFe
3+
3
(SO
 
4
)
 
2
(OH)
 
6

Other Names for Euchlorine

Synonyms:
Euchlorite
Other Languages:
German:Euchlorin
Italian:Euclorina
Russian:Эвхлорин

Other Information

Other Information:Partially soluble in water.
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 Euchlorine

Reference List:

- +
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.

Internet Links for Euchlorine

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    • Localities for Euchlorine

    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.
    Hide Locality List
    (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.
    El Salvador
     
    • Sonsonate Department
    		http://www.geo.mtu.edu/volcanoes/central_america/el_salvador/izalco/fumar.html
    Italy
     
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
    		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
    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)
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
              • Second scoria cone
    		European Journal of Mineralogy; October 2000; v. 12; no. 5; p. 1041-1044
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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