Oulankaite

General Information:
 Chemical Formula:
(Pd,Pt)5(Cu,Fe)4SnTe2S2
 Composition:
(Molecular Weight = 1,327.45 gm)
Iron 4.21 % Fe
Copper 14.36 % Cu
Tin 8.94 % Sn
Tellurium 19.22 % Te
Palladium 30.06 % Pd
Platinum 18.37 % Pt
Sulfur 4.83 % S 
 Empirical Formula:
Pd3.75Pt1.25Cu3Fe2+SnTe2S2
 Environment:
In pegmatoidal, plagioclase-bearing pyroxinite.
 IMA Status:
Approved IMA
 Locality:
The Lukkulaisvaara layered intrusion in the Oulanka complex, northern Karelia, Russia.
 Name Origin:
Named after the Oulanka river, which is near the occurrence.
Physical Properties:
 Cleavage:
[???] Perfect
 Color:
rose or violet rose.
 Density:
10.27
 Diaphaniety:
Opaque
 Habits:
Platy - Sheet forms (e.g. micas)., Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape.,
 Hardness:
3.5-4 - Copper Penny-Flourite
 Luminescence:
Non-fluorescent.
 Luster:
Metallic
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