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Vasilseverginite

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About VasilseverginiteHide

New structure type.

It is the first copper mineral of the Tolbachik volcano with both arsenate and sulphate anions.

Chemically somewhat similar to leogangite, parnauite and 'debaoite'.


Classification of VasilseverginiteHide

Approved, Pending publication
Approval Year:
2015

Chemical Properties of VasilseverginiteHide

Formula:
Cu9O4(AsO4)2(SO4)2

Crystallography of VasilseverginiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 8.1131(4) Å, b = 9.9182(4) Å, c = 11.0225(5) Å
γ = 110.855(2)°
Ratio:
a:b:c = 0.818 : 1 : 1.111

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Unit Cell V:
0.00 ų (Calculated from Unit Cell)
Comment:
P21/n

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.13(41)
5.99(70)
5.260(100)
4.642(46)
2.821(35)
2.784(38)
2.597(35)
2.556(50)
Comments:
From Type Description.

Type Occurrence of VasilseverginiteHide

Place of Conservation of Type Material:
Type material is deposited in the collections of the Fersman Mineralogical Museum of the Russian Academy of Sciences, Moscow, Russia, registration number 4753/1

Synonyms of VasilseverginiteHide

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 VasilseverginiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pekov, I.V., Britvin, S.N., Yapaskurt, V.O., Krivovichev, S.V., Vigasina, M.F. and Sidorov, E.G. (2015) Vasilseverginite, IMA 2015-083. CNMNC Newsletter No. 28, December 2015, page 1864; Mineralogical Magazine, 79, 1859–1864.

Internet Links for VasilseverginiteHide

Localities for VasilseverginiteHide

ⓘ - 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)
 
  • Kamchatka Oblast'
    • Tolbachik volcano
      • Great Fissure eruption (Main Fracture)
        • Northern Breakthrough (North Breach)
          • Second scoria cone
Pekov, I.V., Britvin, S.N., Yapaskurt, V.O., Krivovichev, S.V., Vigasina, M.F. and Sidorov, E.G. (2015) Vasilseverginite, IMA 2015-083. CNMNC Newsletter No. 28, December 2015, page 1864; Mineralogical Magazine, 79, 1859–1864.
Mineral and/or Locality  
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