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Pääkkönenite

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Kermesite occurrence, Dafeng, Shanglin Co., Nanning Prefecture, Guangxi Zhuang Autonomous Region, China
© Leon Hupperichs

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Formula:
Sb
 
2
AsS
 
2
System:MonoclinicColour:Grey
Lustre:MetallicHardness:2½
Name:To honor Viekko Pääkkönen (1907–1980), Finnish geologist.
This page provides mineralogical data about Pääkkönenite.

Classification of Pääkkönenite

IMA status:Approved
Nickel-Strunz 10th (pending) edition ID:2.DB.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
B : M:S = 2:3
Dana 8th edition ID:2.11.5.1

2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3
Hey's CIM Ref.:3.7.13

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
7 : Sulphides etc. of V, As, Sb and Bi
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Type Occurrence of Pääkkönenite

Type Locality:Kalliosalo, Seinäjoki, Western and Inner Finland Region, Finland

Physical Properties of Pääkkönenite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Grey
Streak:Grey with brownish tint
Hardness (Mohs):2½
Hardness (Vickers):VHN10=66 - 87 kg/mm2
Tenacity:Brittle
Cleavage:Distinct/Good
One direction.
Density (calculated):5.21 g/cm3

Crystallography of Pääkkönenite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:B2/m {B1 1 2/m} {C2/m} {C1 2/m 1}
Cell Parameters:a = 10.75(2) Å, b = 3.959(3) Å, c = 12.49(2) Å
β = 115.28(8)°
Ratio:a:b:c = 2.715 : 1 : 3.155
Unit Cell Volume:V 480.66 ų (Calculated from Unit Cell)
Z:4
Morphology:Rare crystals to 30 microns, grains.
Twinning:Polysynthetic
Comment:Space group from synthetic material.

Optical Data of Pääkkönenite

Type:Anisotropic
Anisotropism:Strong
Colour in reflected light:Very pale gray
Internal Reflections:Bright red
Pleochroism:Weak

Chemical Properties of Pääkkönenite

Formula:
Sb
 
2
AsS
 
2
Essential elements:As, S, Sb
All elements listed in formula:As, S, Sb

Relationship of Pääkkönenite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.DB.05Antimonselite
Sb
 
2
Se
 
3
2.DB.05Bismuthinite
Bi
 
2
S
 
3
2.DB.05Guanajuatite
Bi
 
2
(Se,S)
 
3
2.DB.05Metastibnite
Sb
 
2
S
 
3
2.DB.05Stibnite
Sb
 
2
S
 
3
2.DB.10Ottemannite
beta Sn
 
2
S
 
3
2.DB.10Suredaite
PbSnS
 
3
2.DB.15Bowieite
(Rh,Ir,Pt)
 
2
S
 
3
2.DB.15Kashinite
(Ir,Rh)
 
2
S
 
3
2.DB.20Montbrayite
(Au,Sb)
 
2
Te
 
3
2.DB.25Edgarite
FeNb
 
3
S
 
6
2.DB.30Tarkianite
(Cu,Fe)(Re,Mo)
 
4
S
 
8
2.DB.35Cameronite
AgCu
 
7
Te
 
10
Related Minerals - Hey's Index Grouping:

- +
3.7.1Patrónite
VS
 
4
3.7.2Duranusite
As
 
4
S
3.7.3Dimorphite
As
 
4
S
 
3
3.7.4Realgar
As
 
4
S
 
4
3.7.5Pararealgar
As
 
4
S
 
4
3.7.6Alacránite
As
 
8
S
 
9
3.7.7Uzonite
As
 
4
S
 
5
3.7.8Orpiment
As
 
2
S
 
3
3.7.9Jeromite
3.7.10Laphamite
As
 
2
(Se,S)
 
3
3.7.11Getchellite
AsSbS
 
3
3.7.12Wakabayashilite
[(As,Sb)
 
6
S
 
9
][As
 
4
S
 
5
]
3.7.14Stibnite
Sb
 
2
S
 
3
3.7.15Metastibnite
Sb
 
2
S
 
3
3.7.16Tellurantimony
Sb
 
2
Te
 
3
3.7.17Bismuthinite
Bi
 
2
S
 
3
3.7.18Nevskite
Bi(Se,S)
3.7.19Guanajuatite
Bi
 
2
(Se,S)
 
3
3.7.21Ikunolite
Bi
 
4
(S,Se)
 
3
3.7.22Laitakarite
Bi
 
4
Se
 
2
S
3.7.23Poubaite
PbBi
 
2
(Se,Te,S)
 
4
3.7.24Tellurobismuthite
Bi
 
2
Te
 
3
3.7.25Součekite
PbCuBi(S,Se)
 
3
3.7.26Tsumoite
BiTe
3.7.27Pilsenite
Bi
 
4
Te
 
3
3.7.28Hedleyite
Bi
 
7
Te
 
3
3.7.29Tetradymite
Bi
 
2
Te
 
2
S
3.7.30Joséite
Bi
 
4
TeS
 
2
3.7.31Joséite-B
Bi
 
4
Te
 
2
S
3.7.32Ingodite
Bi
 
2
TeS
3.7.33Sulphotsumoite
Bi
 
3
Te
 
2
S
3.7.34Kawazulite
Bi
 
2
Te
 
2
Se
3.7.36Skippenite
Bi
 
2
TeSe
 
2
3.7.37Kochkarite
PbBi
 
4
Te
 
7
3.7.38Rucklidgeite
(Bi,Pb)
 
3
Te
 
4
3.7.39Aleksite
PbBi
 
2
Te
 
2
S
 
2
3.7.40Junoite
Cu
 
2
Pb
 
3
Bi
 
8
(S,Se)
 
16

Other Names for Pääkkönenite

Synonyms:
IMA1980-063
Other Languages:
German:Pääkkönenit
Russian:Пяккененит
Spanish:Pääkkönenita

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 Pääkkönenite

Reference List:

- +
Borodaev, Yu. S., Mozgova, N. N., Ozerova, N. A., Bortnikov, N. S., Oivanen, P. & Iletuinen, V. (1981): Paakkonenite (Sb2AsS2) - a new mineral from the Seinajoki ore region in Finland. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva, 110, 480-487.

American Mineralogist (1982): 67: 858.

American Mineralogist (1995): 80: 1054.

Best Localities for Pääkkönenite

Best of Species:Pääkkönenite

Internet Links for Pääkkönenite

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  • Raman and XRD data at RRUFF project
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    • Localities for Pääkkönenite

    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.
    Canada
     
    • Ontario
      • Thunder Bay District
        • Marathon
    		Handbook of Mineralogy
    HARRIS, D.C., ROBERTS, A.C. & CRIDDLE, A.J. (1989): Vaughanite (TlHgSb4S7), a new mineral from the Hemlo gold deposit, Hemlo, Ontario, Canada. Mineralogical Magazine 53, 79-83.
    China
     
    • Guangxi Zhuang Autonomous Region
      • Nanning Prefecture
        • Shanglin Co.
          • Dafeng
    		Ottens, B. (2007): Mineralogical Record 38(1), 3-17.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
    		Min Rec 25:386
    Finland
     
    • Western and Inner Finland Region
    		Yu. S. Borodayev (1982) Paakkonenite, Sb2AsS2, a new mineral from Seinäjoki ore region in Finland. International Geology Review 24:1234-1240
    ZVMO,(1981) 110, 480-487; Geological Survey of Finland website; Yu. S. Borodayev (1982) Paakkonenite, Sb2AsS2, a new mineral from Seinäjoki ore region in Finland. International Geology Review 24:1234-1240
    France
     
    • Corsica
      • Haute-Corse
        • Corte
          • Moïta
            • Matra
    		Gunnar Farber
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Plaka
            • Plaka Mines
    		No reference listed
    No reference listed
    USA
     
    • California
      • San Diego Co.
        • Warner Springs District
          • Warner Springs
    		Min News 20:2 p4; Geological Society of America Abstracts with Programs, Vol. 36, No. 5, p. 44
    Mineral and/or Locality
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