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Ponomarevite

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About PonomareviteHide

Formula:
K4Cu4Cl10O
Colour:
Red
Lustre:
Vitreous, Greasy
Hardness:
Crystal System:
Monoclinic
Name:
Named in honor of Vasilii Vasil’evich Ponomarev (1940–1976), Russian vulcanologist, Institute of Volcanology, who studied the Tolbachik Volcano.
This page provides mineralogical data about Ponomarevite.


Classification of PonomareviteHide

Approved
3.DA.35

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
A : With Cu, etc., without Pb
10.6.12.1

10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq
8.2.13

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
2 : Halides of Cu

Physical Properties of PonomareviteHide

Vitreous, Greasy
Transparency:
Transparent
Colour:
Red
Streak:
Orange-red
Hardness:
2½ on Mohs scale

Optical Data of PonomareviteHide

Type:
Biaxial (-)
RI values:
nα = 1.686 nβ = 1.718 nγ = 1.720
2V:
Measured: 28° , Calculated: 26°
Max Birefringence:
δ = 0.034
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
High
Dispersion:
r > v

Chemical Properties of PonomareviteHide

Formula:
K4Cu4Cl10O
IMA Formula:
K4Cu4OCl10

Crystallography of PonomareviteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 14.73 Å, b = 14.86 Å, c = 8.93 Å
β = 104.9°
Ratio:
a:b:c = 0.991 : 1 : 0.601
Unit Cell V:
1,888.94 ų (Calculated from Unit Cell)

Type Occurrence of PonomareviteHide

Synonyms of PonomareviteHide

Other Language Names for PonomareviteHide

Related Minerals - Nickel-Strunz GroupingHide

3.DA.CentennialiteCaCu3Cl2(OH)6 · nH2O (n ~ 0.7)Trig. 3m (3 2/m) : P3m1
3.DA.05MelanothalliteCu2Cl2OOrth.
3.DA.10aAtacamiteCu2(OH)3ClOrth. mmm (2/m 2/m 2/m) : Pnma
3.DA.10bBotallackiteCu2(OH)3ClMon. 2/m : P21/m
3.DA.10bClinoatacamiteCu2(OH)3ClMon. 2/m
3.DA.10aHibbingiteFe2+2(OH)3ClOrth.
3.DA.10aKempiteMn2+2(OH)3ClOrth. mmm (2/m 2/m 2/m) : Pnma
3.DA.10cParatacamiteCu3(Cu,Zn)(OH)6Cl2Trig. 3m (3 2/m)
3.DA.10bBelloiteCu(OH)ClMon. 2/m : P21/b
3.DA.10cHerbertsmithiteCu3Zn(OH)6Cl2Trig. 3m (3 2/m) : R3m
3.DA.10cKapellasiteCu3Zn(OH)6Cl2Trig. 3m (3 2/m) : P3m1
3.DA.10cGillarditeCu3Ni(OH)6Cl2Trig. 3m (3 2/m) : R3m
3.DA.10cHaydeeiteCu3Mg(OH)6Cl2Trig. 3m (3 2/m) : P3m1
3.DA.15ClaringbulliteCu4ClF(OH)6Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DA.15BarlowiteCu4BrF(OH)6Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DA.20SimonkolleiteZn5Cl2(OH)8 · H2OTrig. 3m (3 2/m) : P3m1
3.DA.25ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.DA.25ConnelliteCu19(SO4)(OH)32Cl4 · 3H2OHex. 6 m2 : P62c
3.DA.30AbhuriteSn21Cl16(OH)14O6Trig.
3.DA.40AnthonyiteCu(OH,Cl)2 · 3H2OMon. 2/m
3.DA.40CalumetiteCu(OH,Cl)2 · 2H2OOrth.
3.DA.45KhaidarkaniteNa0.34Cu4Al3(OH)14F3 · 2H2OMon.
3.DA.50BobkingiteCu5Cl2(OH)8 · 2H2OMon. 2/m : B2/m
3.DA.55AvdoniniteK2Cu5(OH)4Cl8 · H2OMon. 2/m
3.DA.60DroninoiteNi6Fe2+3(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.2.1NantokiteCuClIso. 4 3m : F4 3m
8.2.2TolbachiteCuCl2Mon.
8.2.3EriochalciteCuCl2 · 2H2OOrth. mmm (2/m 2/m 2/m)
8.2.4AtacamiteCu2(OH)3ClOrth. mmm (2/m 2/m 2/m) : Pnma
8.2.5ParatacamiteCu3(Cu,Zn)(OH)6Cl2Trig. 3m (3 2/m)
8.2.6BotallackiteCu2(OH)3ClMon. 2/m : P21/m
8.2.7MelanothalliteCu2Cl2OOrth.
8.2.8CalumetiteCu(OH,Cl)2 · 2H2OOrth.
8.2.9AnthonyiteCu(OH,Cl)2 · 3H2OMon. 2/m
8.2.10ClaringbulliteCu4ClF(OH)6Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
8.2.11MarshiteCuIIso. 4 3m : F4 3m
8.2.12MitscherlichiteK2CuCl4 · 2H2OTet. 4/mmm (4/m 2/m 2/m)

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 PonomareviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1990): 75: 709.
Boller, H., R. Dilshad and K. Klepp (2005): Ponomarevite, K4Cu4OCl10, a naturally occurring mineral with a [Cu4O] core - ancestor of many synthetic cluster compounds. Acta Cryst. A61, C376.
Doklady Akademii Nauk SSSR: 304(2): 427-430.

Internet Links for PonomareviteHide

Localities for PonomareviteHide

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)
 
  • Kamchatka Krai
    • Tolbachik volcano
      • Great Fissure eruption (Main Fracture)
        • Northern Breakthrough (North Breach)
DAN-SSSR,(1988) 300, 1197-1200; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Vergasova L P, Filatov S K, Serafimova E K, Semenova T F (1988) Ponomarevite K4Cu4OCl10 - a new mineral from volcanic sublimates, Doklady Akademii Nauk SSSR 300, 1197-1200
          • 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
Mineral and/or Locality  
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