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Poyarkovite

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Formula:
(Hg
+
2
)
 
1.5
ClO
System:MonoclinicColour:cherry red, darkening to ...
Hardness:2 - 2½
This page provides mineralogical data about Poyarkovite.

Classification of Poyarkovite

IMA status:Approved
Strunz 8th edition ID:3/D.06-20
Nickel-Strunz 10th (pending) edition ID:3.DD.10

3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
D : With Hg
Dana 8th edition ID:10.5.2.1

10 : OXYHALIDES AND HYDROXYHALIDES
5 : Am(O,OH)pXq
Hey's CIM Ref.:8.5.4

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
5 : Halides of Zn and Hg
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Type Occurrence of Poyarkovite

Type Locality:Khaidarkan (Chaidarkan) Sb-Hg deposit, Fergana Valley, Alai (Alay) Range, Osh Oblast, Kyrgyzstan
Year of Discovery:1981

Physical Properties of Poyarkovite

Lustre:Adamantine, Vitreous
Colour:cherry red, darkening to dark red
Streak:Red
Hardness (Mohs):2 - 2½
Tenacity:Brittle
Fracture:Sub-Conchoidal
Density (measured):9.56 g/cm3
Density (calculated):9.64 g/cm3

Crystallography of Poyarkovite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/b {B1 1 2/b} {C2/c} {C1 2/c 1}
Cell Parameters:a = 18.82Å, b = 9.02Å, c = 16.79Å
β = 112.4°
Ratio:a:b:c = 2.086 : 1 : 1.861
Unit Cell Volume:V 2,635.15 ų (Calculated from Unit Cell)
Z:24

Chemical Properties of Poyarkovite

Formula:
(Hg
+
2
)
 
1.5
ClO
Essential elements:Cl, Hg, O
All elements listed in formula:Cl, Hg, O

Relationship of Poyarkovite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.DD.05Eglestonite
(Hg
+
2
)
 
3
Cl
 
3
O(OH)
3.DD.05Kadyrelite
(Hg
+
2
)
 
2
(Br,Cl)
 
2
O
3.DD.15Hanawaltite
(Hg
+
2
)
 
3
Hg
2+
 
(Cl,OH)
 
2
O
 
3
3.DD.20Terlinguaite
(Hg
+
2
)
 
0.5
Hg
2+
 
ClO
3.DD.25Pinchite
Hg
2+
5
Cl
 
2
O
 
4
3.DD.30Gianellaite
(Hg
 
2
N)
 
2
SO
 
4
3.DD.30Mosesite
(Hg
 
2
N)(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
3.DD.35Kleinite
(Hg
 
2
N)(Cl,SO
 
4
) · nH
 
2
O
3.DD.40Tedhadleyite
(Hg
+
2
)
 
5
Hg
2+
 
I
 
2
(Cl,Br)
 
2
O
 
4
3.DD.45Vasilyevite
(Hg
+
2
)
 
10
I
 
3
Br
 
2
Cl(CO
 
3
)O
 
6
3.DD.50Aurivilliusite
(Hg
+
2
)
 
0.5
Hg
2+
 
(I,Br,Cl)O
3.DD.55Terlinguacreekite
Hg
2+
3
Cl
 
2
O
 
2
3.DD.60Kelyanite
(Hg
+
2
)
 
6
Sb
3+
 
BrCl
 
2
O
 
6
3.DD.65Comancheite
Hg
2+
13
(Cl,Br)
 
8
O
 
9
Related Minerals - Hey's Index Grouping:

- +
8.5.1Simonkolleite
Zn
 
5
Cl
 
2
(OH)
 
8
 · H
 
2
O
8.5.2Calomel
(Hg
+
2
)Cl
 
2
8.5.3Terlinguaite
(Hg
+
2
)
 
0.5
Hg
2+
 
ClO
8.5.5Pinchite
Hg
2+
5
Cl
 
2
O
 
4
8.5.6Eglestonite
(Hg
+
2
)
 
3
Cl
 
3
O(OH)
8.5.7Kadyrelite
(Hg
+
2
)
 
2
(Br,Cl)
 
2
O
8.5.8Comancheite
Hg
2+
13
(Cl,Br)
 
8
O
 
9
8.5.9Kuzminite
(Hg
+
2
)(Br,Cl)
 
2
8.5.10Moschelite
(Hg
+
2
)I
 
2
8.5.11Tocornalite
(Ag,Hg)I

Other Names for Poyarkovite

Synonyms:
IMA1980-099
Other Languages:
German:Poyarkovit
Russian:Поярковит
Spanish:Poyarkovita

Other Information

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 Poyarkovite

Reference List:

- +
American Mineralogist (1952): 37: 119-126.

American Mineralogist (1982): 67: 860.

Canadian Mineralogist (1999): 37 (Feb).

Internet Links for Poyarkovite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Poyarkovite details from Handbook of Mineralogy (PDF)
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    • Localities for Poyarkovite

    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.
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    (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.
    Germany
     
    • Rhineland-Palatinate
      • Kirchheimbolanden
        • Mörsfeld
    		H. Hensel and U. Kolitsch (2005): New mineral finds from Palatine mercury deposits (Part 3): Poyarkovite from Mörsfeld. Aufschluss 56, 141-146. (in German)
    Kyrgyzstan
     
    • Osh Oblast
      • Alai (Alay) Range
    		[Lapis 1993:11 p11-24]
        • Fergana Valley
    		[ZVMO,(1981) 110, 501-506; Lapis 11:11-24]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Russia
     
    • Eastern-Siberian Region
      • Tuva Republic
        • Pii-Khem District
          • Uyuk Range
    		Canadian Mineralogist Feb. 1999
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