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Hermannjahnite

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The Zn analogue of dravertite. Chemically somewhat similar to christelite and ktenasite, that are hydrated phases.

The structure of hermannjahnite is isotypic to that of dravertite, CuMg(SO4)2, and represents a monoclinically distorted chalcocyanite CuSO4 structure.


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Classification of HermannjahniteHide

Approved
Approval Year:
2015
First Published:
2017

Chemical Properties of HermannjahniteHide

Formula:
CuZn(SO4)2

Crystallography of HermannjahniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 4.8076(2) Å, b = 8.4785(3) Å, c = 6.7648(3) Å
β = 93.041(3)°
Ratio:
a:b:c = 0.567 : 1 : 0.798
Unit Cell V:
275.35 ų
Z:
2
Comment:
Space group P21/n.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.231(31)
4.177(100)
3.630(72)
3.486(25)
2.681(29)
2.648(69)
2.561(29)
2.428(63)

Occurrences of HermannjahniteHide

Paragenetic Mode(s):
•  Fumarolic

Type Occurrence of HermannjahniteHide

Place of Conservation of Type Material:
Type material is deposited in the collections of the Mineralogical Museum, Department of Mineralogy, St Petersburg State University, St Petersburg, Russia, specimen no. 19659.
Empirical Formula of Type Material:
Cu1.00(Zn0.43Cu0.31Mg0.250.99S2.00O8
Geological Setting of Type Material:
Sublimates of a fumarole
Reference:
Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Zaitsev, A.N., Turner, R., Filatov, S.K., Pekov, I.V., Karpov, G.A., Yapaskurt, V.O. (2018): Hermannjahnite, CuZn(SO4)2, a new mineral with chalcocyanite derivative structure from the Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia. Mineralogy and Petrology: 112: 123-134.

Synonyms of HermannjahniteHide

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 HermannjahniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Vergasova, L.P., Filatov, S.K., Pekov, I.V., Karpov, G.A. and Yapaskurt, V.O. (2015) Hermannjahnite, IMA 2015-050. CNMNC Newsletter No. 27, October 2015, page 1225; Mineralogical Magazine: 79: 1229–1236.
Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Zaitsev, A.N., Turner, R., Filatov, S.K., Pekov, I.V., Karpov, G.A., Yapaskurt, V.O. (2018): Hermannjahnite, CuZn(SO4)2, a new mineral with chalcocyanite derivative structure from the Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia. Mineralogy and Petrology: 112: 123-134.

Internet Links for HermannjahniteHide

Localities for HermannjahniteHide

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
        • Great Fissure eruption (Main Fracture)
Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Vergasova, L.P., Filatov, S.K., Pekov, I.V., Karpov, G.A. and Yapaskurt, V.O. (2015) Hermannjahnite, IMA 2015-050. CNMNC Newsletter No. 27, October 2015, page 1225; Mineralogical Magazine, 79, 1229–1236; Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Zaitsev, A.N., Turner, R., Filatov, S.K., Pekov, I.V., Karpov, G.A., Yapaskurt, V.O. (2018): Hermannjahnite, CuZn(SO4)2, a new mineral with chalcocyanite derivative structure from the Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia. Mineralogy and Petrology: 112: 123-134.
          • Northern Breakthrough (North Breach)
            • Second scoria cone
Siidra, O.I., Nazarchuk, E.V., Agakhanov, A.A., Lukina, E.A., Zaitsev, A.N., Turner, R., Filatov, S.K., Pekov, I.V., Karpov, G.A., Yapaskurt, V.O. (2018): Hermannjahnite, CuZn(SO4)2, a new mineral with chalcocyanite derivative structure from the Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia. Mineralogy and Petrology: 112: 123-134.
Mineral and/or Locality  
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