IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Naldrettite

This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About NaldrettiteHide

Anthony J. Naldrett
Formula:
Pd2Sb
Lustre:
Metallic
Hardness:
4 - 5
Crystal System:
Orthorhombic
Name:
Named in honor of Anthony James Naldrett (b. 1933, England), University of Toronto, who made significant contributions to the understanding of the genesis of platinum-group element deposits. He served as President of both the Mineralogical Association of Canada and the International Mineralogical Association.

Classification of NaldrettiteHide

Approved
Approval Year:
2004
First Published:
2005
2.AC.25d

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

Physical Properties of NaldrettiteHide

Metallic
Transparency:
Opaque
Hardness:
4 - 5 on Mohs scale
Hardness:
VHN50=358 - 418 kg/mm2 - Vickers
Tenacity:
Elastic
Fracture:
Irregular/Uneven

Optical Data of NaldrettiteHide

Type:
Anisotropic
Anisotropism:
Deep bright blue, lemon-buff, mauve to pale pink
Bireflectance:
Weak
Colour in reflected light:
Bright creamy white
Pleochroism:
Non-pleochroic

Chemical Properties of NaldrettiteHide

Formula:
Pd2Sb

Crystallography of NaldrettiteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Cmc21
Cell Parameters:
a = 3.3906 Å, b = 17.5551 Å, c = 6.957 Å
Ratio:
a:b:c = 0.193 : 1 : 0.396
Unit Cell V:
414.10 ų (Calculated from Unit Cell)
Morphology:
Anhedral grains

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.407(34)
2.303(35)
2.245(100)
2.057(52)
2.001(40)
1.367(35)
1.284(42)
1.212(50)

Type Occurrence of NaldrettiteHide

Reference:
Cabri, L.J., McDonald, A.M., Stanley, C.J., Rudashevsky, N.S., Poirier, G., Durham, B.R., Mungall, J.E. and Rudashevsky, V.N. (2005) Naldrettite, Pd2Sb, a new intermetallic mineral from the Mesamax Northwest deposit, Ungava region, Quebec, Canada. Mineralogical Magazine: 69: 89-97.

Synonyms of NaldrettiteHide

Other Language Names for NaldrettiteHide

Simplified Chinese:一锑二钯矿

Common AssociatesHide

Associated Minerals Based on Photo Data:
Chalcopyrite1 photo of Naldrettite associated with Chalcopyrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.AC.05aAtheneitePd2As0.75Hg0.25Hex. 6 m2 : P62m
2.AC.05bVincentitePd3AsTet.
2.AC.10cArsenopalladinitePd8(As,Sb)3Tric. 1 : P1
2.AC.10bMertieite-IIPd8Sb2.5As0.5Trig. 3m (3 2/m) : R3c
2.AC.10aStillwateritePd8As3Trig.
2.AC.15aIsomertieitePd11Sb2As2Iso. m3m (4/m 3 2/m) : Fd3m
2.AC.15bMertieite-IPd11(Sb,As)4Hex.
2.AC.15aMiessiitePd11Te2Se2Iso. m3m (4/m 3 2/m) : Fd3m
2.AC.20bPalarstanidePd5(Sn,As)2Hex.
2.AC.20aStibiopalladinitePd5Sb2Hex.
2.AC.20cMenshikovitePd3Ni2As3Hex. 6/m : P63/m
2.AC.25eMajakitePdNiAsHex.
2.AC.25aPalladoarsenidePd2AsMon. 2/m : P2/m
2.AC.25fPalladobismutharsenidePd2(As,Bi)Orth.
2.AC.25cPalladodymite(Pd,Rh)2AsOrth.
2.AC.25bRhodarsenide(Rh,Pd)2AsOrth.
2.AC.30UM1999-02-As:NiRh(Rh,Ni)7As4
2.AC.30PolkanoviteRh12As7Hex.
2.AC.35aGenkinite(Pt,Pd,Rh)4Sb3Tet. 4 2 2
2.AC.35bUngavaitePd4Sb3Tet. 4 2 2 : P41 21 2
2.AC.40PolaritePd(Bi,Pb)Orth. mm2 : Cmc21
2.AC.45cBorishanskiitePd1+x(As,Pb)2 , x = 0-0.2Orth. mm2
2.AC.45aFrooditeα-PdBi2Mon. 2/m : B2/m
2.AC.45bIridarsenite(Ir,Ru)As2Mon.

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.

References for NaldrettiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bälz, U. and Schubert, K. (1969) Kristallstruktur von Pd2As(r) und Pd2Sb. Journal of Less-Common Metals: 19: 300-304.
Cabri, L.J., McDonald, A.M., Stanley, C.J., Rudashevsky, N.S., Poirier, G., Durham, B.R., Mungall, J.E. and Rudashevsky, V.N. (2005) Naldrettite, Pd2Sb, a new intermetallic mineral from the Mesamax Northwest deposit, Ungava region, Quebec, Canada. Mineralogical Magazine: 69: 89-97.

Internet Links for NaldrettiteHide

Localities for NaldrettiteHide

ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Kennedy Co.
      • Fifield
Johan, Z., Ohnenstetter, M., Slansky, E., Barron, L.M., and Suppel, D. (1989) Platinum mineralization in the Alaskan-type intrusive complexes near Fifield, New South Wales, Australia. part 1. platinum-group minerals in clinopyroxenites of the Kelvin Grove prospect, Owendale intrusion. Mineralogy and Petrology, Volume 40, Issue 4, pp.289-309. Jambor, J.L., Vanko, D.A. (1991) New Mineral Names. American Mineralogist, Volume 76, pages 1414-1440 at p.1438.
Canada
 
  • Ontario
    • Sudbury District
      • Denison Township
Robert C. Smith, II Ph.D. P.G.
    • Thunder Bay District
      • Coldwell complex
Mcdonald, A.M., Cabri, L.J., Stanley, C.J., Good, D.J., Redpath, J., Lane, G., Spratt, J. & Ames, D.E. (2015) Coldwellite, Pd3Ag2S, a new mineral species from the Marathon deposit, Coldwell complex, Ontario, Canada. Canadian Mineralogist 53, 1-13.
  • Québec
    • Nord-du-Québec
      • Nunavik
        • Ungava
Am Min 90:1466-1467; McDonald et al (2005), Canadian Mineralogist: 43: 1735-1744
China
 
  • Sichuan Province
    • Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)
      • Danba Co.
        • Yangliuping Cu-Ni-PGE ore field
Xiaoqiang Hu, Yunquan Li, and Dequan Shuai (2001): Journal of Mineralogy and Petrology 21(1), 14-18; Xiaoqiang Hu, Yunquan Li, and Dequan Shuai (2001): Journal of Chengdu University of Technology 28(1), 48-52
Greece
 
  • Epirus Department (Ipeiros)
    • Pindos Mtn
      • Pindos ophiolite complex
Argyrios Kapsiotis, Tassos A. Grammatikopoulos, Basilios Tsikouras and Konstantinos Hatzipanagiotou (2010): Platinum-Group Mineral Characterization in Concentrates from High-Grade PGE Al-rich Chromitites of Korydallos Area in the Pindos Ophiolite Complex (NW Greece). Resource Geology 60, 178-191.
  • Macedonia Department
    • Chalkidiki Prefecture
      • Aristotelis
        • Cassandra Mines
Katie A. McFall, Jonathan Naden, Stephen Roberts, Tim Baker, John Spratt, Iain McDonald (2018): Platinum-group minerals in the Skouries Cu-Au (Pd, Pt, Te) porphyry deposit. Ore Geology Reviews 99, 344-364.
Republic of Macedonia
 
  • Lipkovo
Đorđević, T., Kolitsch, U., Tasev, G., Serafimovski, T. & Boev, B. (2017): Anomalous As-enrichment in gersdorffite in a realgar-rich environment: Lojane, Macedonia. Mitt. Österr. Mineral. Ges. 163, 38 (abs.).
UK
 
  • Scotland
    • Highland
https://www.sciencedirect.com/science/article/pii/S0169136816303559
USA
 
  • Pennsylvania
    • Chester Co.
      • State Line Chromite District
Smith and Barnes (2011) Pennsylvania Geology v. 41, no. 3/4.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: November 21, 2018 15:57:12 Page generated: November 6, 2018 23:25:59
Go to top of page