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Lukkulaisvaaraite

A valid IMA mineral species
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Formula:
Pd14Ag2Te9
Colour:
Light grey with a brownish tinge
Lustre:
Metallic
Hardness:
0 - 4
Specific Gravity:
9.993 (Calculated)
Crystal System:
Tetragonal
Name:
Named after the type locality, Lukkulaisvaara Massif.
New structure type.

Platinum Group.


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Unique IdentifiersHide

Mindat ID:
46061
Long-form identifier:
mindat:1:1:46061:5
GUID
(UUID V4):
07db945a-2ee8-4695-a24b-ea47fdfa53a1

IMA Classification of LukkulaisvaaraiteHide

Classification of LukkulaisvaaraiteHide

2.BC.40

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
LkkIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of LukkulaisvaaraiteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of LukkulaisvaaraiteHide

Metallic
Colour:
Light grey with a brownish tinge
Comment:
In plane-polarized light
Streak:
Grey
Hardness:
0 - 4 on Mohs scale
Hardness:
VHN20=339 - 371 kg/mm2 - Vickers
Tenacity:
Brittle
Density:
9.993 g/cm3 (Calculated)

Optical Data of LukkulaisvaaraiteHide

Anisotropism:
Distinct to strong
Bireflectance:
Strong
Reflectivity:
WavelengthR1R2
400nm34.6%40.7%
420nm36.8%43.0%
440nm38.6%45.2%
460nm40.2%47.2%
470nm40.9%48.3%
480nm41.7%49.3%
500nm43.4%51.4%
520nm45.1%53.6%
540nm47.0%55.8%
546nm47.6%56.4%
560nm49.0%58.0%
580nm51.1%60.1%
589nm52.1%61.0%
600nm53.3%62.0%
620nm55.2%63.7%
640nm56.9%64.8%
650nm57.5%65.2%
660nm58.0%65.4%
680nm58.4%65.1%
700nm57.7%63.7%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 65.4%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Light grey with a brownish tinge
Internal Reflections:
None
Pleochroism:
Visible
Comments:
Light brownish-grey to greyish-brown

Chemistry of LukkulaisvaaraiteHide

Mindat Formula:
Pd14Ag2Te9

Crystallography of LukkulaisvaaraiteHide

Crystal System:
Tetragonal
Class (H-M):
4/m - Dipyramidal
Space Group:
I4/m
Setting:
I4/m
Cell Parameters:
a = 8.9599(6) Å, c = 11.822(1) Å
Ratio:
a:c = 1 : 1.319
Unit Cell V:
949.1 ų
Z:
2

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020606LukkulaisvaaraiteVymazalova A, Grokhovskaya T L, Laufek F, Rassulov V A (2014) Lukkulaisvaaraite, Pd14Ag2Te9, a new mineral from Lukkulaisvaara intrusion, northern Russian Karelia, Russia Mineralogical Magazine 78 1743-17542014Lukkulaisvaara intrusion, northern Russian Karelia, Russia0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.8323 Å(58)
2.8088 Å(92)
2.5542 Å(66)
2.4312 Å(41)
2.1367 Å(57)
2.1015 Å(52)
2.0449 Å(100)
2.0031 Å(63)
Comments:
From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 4b: Highly evolved igneous rocks>3.0
37 : Layered igneous intrusions and related PGE minerals

Type Occurrence of LukkulaisvaaraiteHide

General Appearance of Type Material:
In polished section crystals are ~40 μm across, rimmed by tulameenite.
Place of Conservation of Type Material:
Type material is deposited in the collections of the Department of Mineralogy of The National Museum, Prague, Czech Republic, catalogue number P1P 15/2013.
Geological Setting of Type Material:
Lukkulaisvaara intrusion, northern Russian Karelia, Russia
Associated Minerals at Type Locality:
Reference:
Vymazalová, A., Grokhovskaya, T.L., Laufek, F. & Rassulov, V.A. (2014) Lukkulaisvaaraite, Pd14Ag2Te9, a new mineral from Lukkulaisvaara intrusion, northern Russian Karelia, Russia. Mineralogical Magazine: 78: 1743-1754.

Synonyms of LukkulaisvaaraiteHide

Other Language Names for LukkulaisvaaraiteHide

Related Minerals - Strunz-mindat GroupingHide

2.BC.UM2004-45-Se:AgHgPd(Ag,Cu)6Hg2Pd2Se3
2.BC.FleetiteCu2RhIrSb2Iso. m3m (4/m 3 2/m) : Fd3m
2.BC.ColdwellitePd3Ag2SIso. 4 3 2 : P43 3 2
2.BC.PanskyitePd9Ag2Pb2S4Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BC.05PalladseitePd17Se15Iso. m3m (4/m 3 2/m)
2.BC.05MiassiteRh17S15Iso. m3m (4/m 3 2/m) : Pm3n
2.BC.05UM2000-47-S:CuFePdPtPtPd(Fe,Cu)S
2.BC.10Oosterboschite(Pd,Cu)7Se5Orth.
2.BC.15ChrisstanleyiteAg2Pd3Se4Mon. 2/m : P21/b
2.BC.15JagüéiteCu2Pd3Se4Mon. 2/m : P21/b
2.BC.20KeithconnitePd20Te7Trig. 3 : R3
2.BC.25Vasilite(Pd,Cu)16(S,Te)7Iso. 4 3m : I4 3m
2.BC.30TelluropalladinitePd9Te4Mon. 2/m : P21/b
2.BC.35LuberoitePt5Se4Mon. 2/m : P21/b
2.BC.35KojonenitePd7-xSnTe2 (0.3 ≤ x ≤ 0.8)Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BC.37KravtsovitePdAg2SOrth. mmm (2/m 2/m 2/m) : Cmcm
2.BC.40Oulankaite(Pd,Pt)5(Cu,Fe)4SnTe2S2Tet.
2.BC.42MonchetundraitePd2NiTe2Orth. mmm (2/m 2/m 2/m) : Ibam
2.BC.45Telargpalite(Pd,Ag)3(Te,Bi)Iso.
2.BC.45ThalhammeritePd9Ag2Bi2S4Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.BC.47VymazalováitePd3Bi2S2Iso. 2 3 : I21 3
2.BC.50TemagamitePd3HgTe3Trig. 3m : P3m1
2.BC.55SopcheiteAg4Pd3Te4Orth.
2.BC.55BowlesitePtSnSOrth. mm2 : Pca21
2.BC.60LaflammeitePd3Pb2S2Mon. 2/m : B2/m
2.BC.65TischendorfitePd8Hg3Se9Orth.

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.

Internet Links for LukkulaisvaaraiteHide

References for LukkulaisvaaraiteHide

Localities for LukkulaisvaaraiteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Canada
 
  • Ontario
    • Thunder Bay District
      • Coldwell complex
Ames et al. (2017)
Russia
 
  • Murmansk Oblast
    • Fedorovo-Pansky massif (Pana layered complex)
      • Eastern Pana block
Hålenius et al. (2018)
Groshev +7 other references
    • Monche tundra intrusion
      • Monchetundra deposit
Vymazalová et al. (2020)
  • Republic of Karelia
    • Loukhsky District
      • Oulanka plutonic complex
        • Olanga River (Oulanka River)
Williams et al. (2014) +2 other references
 
矿物 and/or 产地  
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