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Miessiite

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Formula:
Pd
 
11
Te
 
2
Se
 
2
System:Isometric
Member of:Isomertieite Group
Name:Named for type locality Miessijoki, Finnish Lapland, Finland.
This page provides mineralogical data about Miessiite.

Classification of Miessiite

IMA status:Approved 2006
Strunz 9th edition ID:2.AC.15
Nickel-Strunz 10th (pending) edition ID:2.AC.15a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
C : Alloys of metalloids with PGE
Dana 8th edition ID:2.16.2.2

2 : SULFIDES
16 : Miscellaneous
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Type Occurrence of Miessiite

Type Locality:Miessijoki River, Lemmenjoki, Inari, Lapland Region, Finland

Crystallography of Miessiite

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Fd3m {F41/d 3 2/m}
Cell Parameters:a = 12.448Å
Unit Cell Volume:V 1,928.85 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
2.543(20)
2.395(80)
2.197(100)
2.072(20)
1.875(25)
1.555(25)
1.305(25)
1.271(30)

Chemical Properties of Miessiite

Formula:
Pd
 
11
Te
 
2
Se
 
2
Essential elements:Pd, Se, Te
All elements listed in formula:Pd, Se, Te

Relationship of Miessiite to other Species

Member of:Isomertieite Group
Other Members of Group:

- +
Isomertieite
Pd
 
11
Sb
 
2
As
 
2
Related Minerals - Nickel-Strunz Grouping):

- +
2.AC.05aAtheneite
Pd
 
2
As
 
0.75
Hg
 
0.25
2.AC.05bVincentite
Pd
 
3
As
2.AC.10cArsenopalladinite
Pd
 
8
(As,Sb)
 
3
2.AC.10bMertieite-II
Pd
 
8
(Sb,As)
 
3
2.AC.10aStillwaterite
Pd
 
8
As
 
3
2.AC.15aIsomertieite
Pd
 
11
Sb
 
2
As
 
2
2.AC.15bMertieite-I
Pd
 
11
(Sb,As)
 
4
2.AC.20bPalarstanide
Pd
 
8
(As,Sn)
 
3
2.AC.20aStibiopalladinite
Pd
 
5
Sb
 
2
2.AC.20cMenshikovite
Pd
 
3
Ni
 
2
As
 
3
2.AC.25eMajakite
PdNiAs
2.AC.25aPalladoarsenide
Pd
 
2
As
2.AC.25fPalladobismutharsenide
Pd
 
2
(As,Bi)
2.AC.25cPalladodymite
(Pd,Rh)
 
2
As
2.AC.25bRhodarsenide
(Rh,Pd)
 
2
As
2.AC.25dNaldrettite
Pd
 
2
Sb
2.AC.30UM1999-02-As:NiRh
(Rh,Ni)
 
7
As
 
4
2.AC.30Polkanovite
Rh
 
12
As
 
7
2.AC.35aGenkinite
(Pt,Pd,Rh)
 
4
Sb
 
3
2.AC.35bUngavaite
Pd
 
4
Sb
 
3
2.AC.40Polarite
Pd(Bi,Pb)
2.AC.45cBorishanskiite
Pd
 
1+x
(As,Pb)
 
2
 , x = 0-0.2
2.AC.45aFroodite
α-PdBi
 
2
2.AC.45bIridarsenite
(Ir,Ru)As
 
2

Other Names for Miessiite

Synonyms:
IMA2006-013
Other Languages:

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 Miessiite

Reference List:

- +
Kojonen, K.K., Tarkian, M., Roberts, A.C., Törnroos, R., Heidrich, S. (2007): Miessiite, Pd11Te2Se2, a new mineral species from Miessijoki, Finnish Lapland, Finland. Canadian Mineralogist, 45, (in press).

Internet Links for Miessiite

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    • Localities for Miessiite

    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.
    Finland
     
    • Lapland Region
      • Inari
        • Lemmenjoki
    		 Kojonen, K.K., Tarkian, M., Roberts, A.C., Törnroos, R., Heidrich, S. (2007): Miessiite, Pd11Te2Se2, a new mineral species from Miessijoki, Finnish Lapland, Finland. Canadian Mineralogist, 45, (in press); 33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Pt-Pd selenides from river placers, northern Finland
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