Naldrettite

Naldrettite, etc.

Mesamax Northwest deposit, Ungava Peninsula, Nunavik, Nord-du-Québec, Québec, Canada

Naldrettite, etc.

Mesamax Northwest deposit, Ungava Peninsula, Nunavik, Nord-du-Québec, Québec, Canada

Naldrettite, etc.

Mesamax Northwest deposit, Ungava Peninsula, Nunavik, Nord-du-Québec, Québec, Canada

About NaldrettiteHide

Anthony J. Naldrett

Formula:

Pd₂Sb

Lustre:

Metallic

Hardness:

4 - 5

Specific Gravity:

10.694 (Calculated)

Crystal System:

Orthorhombic

Name:

Named in honor of Anthony James Naldrett (23 June 1933, England - 21 June 2020), 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.

Type Locality:

ⓘ Mesamax Northwest deposit, Ungava Peninsula, Nunavik, Nord-du-Québec, Québec, Canada

Compare 'UM1978-21-Sb:Pd'.

Unique IdentifiersHide

IMA Classification of NaldrettiteHide

Classification of NaldrettiteHide

Mineral SymbolsHide

Physical Properties of NaldrettiteHide

Optical Data of NaldrettiteHide

Anisotropism:

Distinct, deep bright blue, lemon-buff, mauve to pale pink

Bireflectance:

Weak

Reflectivity:

Wavelength	R1	R2	imR1	imR2
400nm	44.5%	46.3%	32.0%	33.8%
420nm	45.9%	47.7%	33.1%	34.8%
440nm	47.1%	49.0%	34.2%	35.8%
460nm	48.3%	50.2%	35.4%	37.0%
470nm	49.0%	50.9%	35.9%	37.6%
480nm	49.7%	51.5%	36.4%	38.3%
500nm	50.8%	52.6%	37.6%	39.5%
520nm	51.9%	53.7%	39.0%	40.7%
540nm	53.0%	54.8%	40.1%	41.9%
546nm	53.2%	55.1%	40.3%	42.1%
560nm	53.8%	55.8%	40.9%	42.8%
580nm	54.9%	57.1%	42.0%	43.8%
589nm	55.4%	57.5%	42.5%	44.3%
600nm	56.0%	58.0%	43.0%	44.8%
620nm	57.2%	59.0%	44.0%	45.8%
640nm	58.1%	59.7%	45.0%	46.8%
650nm	58.5%	60.1%	45.4%	47.2%
660nm	58.9%	60.5%	45.8%	47.7%
680nm	59.6%	61.1%	46.5%	48.4%
700nm	60.5%	62.0%	47.2%	49.2%

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 62.0%.
R₁ shown in black, R₂ shown in red, ^imR₁ shown in green, ^imR₂ shown in blue

Colour in reflected light:

Bright creamy white

Pleochroism:

Non-pleochroic

Chemistry of NaldrettiteHide

Crystallography of NaldrettiteHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of NaldrettiteHide

Synonyms of NaldrettiteHide

Other Language Names for NaldrettiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for NaldrettiteHide

References for NaldrettiteHide

Localities for NaldrettiteHide

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.

Australia
New South Wales Kennedy Co. Fifield ⓘ Kelvin Grove prospect ?	Johan et al. (1989) +1 other reference
Brazil
Minas Gerais ⓘ Itabira	Vandenbroucke Museum
Canada
Ontario Greater Sudbury Denison Township ⓘ Vermilion Mine	Robert C. Smith
Thunder Bay District Coldwell complex ⓘ Marathon deposit	Mcdonald et al. (2015)
Seeley Lake Area ⓘ Area 41 deposit	Good et al. (2017)
Québec Nord-du-Québec Nunavik Ungava Peninsula ⓘ Mequillon deposit	Liu et al. (2016)
ⓘ Mesamax Northwest deposit (TL)	Cabri et al. (2005) +2 other references
ⓘ Tootoo deposit	Liu et al. (2016)
China
Sichuan Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture) Danba Co. Yangliuping Cu-Ni-PGE ore field ⓘ Yangliuping Cu-Ni-PGE deposit	Xiaoqiang Hu et al. (2001) +1 other reference
Greece
Central Macedonia Chalkidiki Aristotelis Kassandra mining district ⓘ Skouries Mine	Katie A. McFall et al. (2018)
Thessaly Trikala Meteora ⓘ Korydallos area	Argyrios Kapsiotis et al. (2010)
Greenland
Sermersooq Skaergaard intrusion ⓘ Platinova reef	Rudashevsky et al. (2023)
North Macedonia
Lipkovo Municipality ⓘ Lojane ?	Đorđević et al. (2017)
Russia
Buryatia Severo-Baykalsky District Dovyren Highlands ⓘ Yoko-Dovyrensky Massif	Ariskin et al. (2016)
ⓘ Bol’shoy (Big) stream	Spiridonov et al. (2018)
Irkutsk Oblast Uda–Biryusa district ⓘ Ognit complex	Shvedov et al. (2017) +1 other reference
Krasnoyarsk Krai Taymyrskiy Autonomous Okrug Taimyr Peninsula Putoran Plateau Noril'sk Talnakh Cu-Ni Deposit ⓘ Oktyabrsky Mine	Spiridonov et al. (2020) +1 other reference
South Africa
Limpopo Waterberg District Municipality Mogalakwena Local Municipality Mogalakwena ⓘ Mokopane	Hutchinson et al. (2005)
ⓘ Turfspruit farm	Hutchinson et al. (2005)
UK
Scotland Highland Fort William and Ardnamurchan ⓘ Sron Gharbh (Sron Garbh)	Graham et al. (2017)
USA
Pennsylvania Chester County ⓘ West Nottingham Township	Smith and Barnes (2011)