# Playfairite

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Playfairite
> Markdown URL: https://mediated.wiki/source/Playfairite.md
> Source: https://en.wikipedia.org/wiki/Playfairite
> Source revision: 1223552728
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

{{Infobox mineral
| name        = Playfairite
| category    = [Sulfosalt minerals](/source/Sulfosalt_minerals), [Sulfides](/source/Sulfides)
| image       = Playfairite.jpg
| imagesize   = 
| caption     = 
| formula     = Pb<sub>16</sub>Sb<sub>18</sub>S<sub>43</sub>
| IMAsymbol   = Pyf<ref>{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3 |pages=291–320|doi=10.1180/mgm.2021.43 |bibcode=2021MinM...85..291W |s2cid=235729616 |doi-access=free}}</ref>
| molweight   = 
| dana        = 3.6.4.1
| strunz      = 2.LB.30 (10 ed) <br /><small>2/E.20-40 (8 ed)</small>
| system      = [Monoclinic](/source/Monoclinic) <br/>Unknown space group
| color       = Lead gray to black
| habit       = 
| twinning    = 
| cleavage    = Perfect
| fracture    = 
| tenacity    = 
| mohs        = 3.5-4
| luster      = Metallic
| polish      = 
| refractive  = 
| opticalprop = 
| birefringence = 
| dispersion  = 
| pleochroism = Strong reflection
| fluorescence= 
| absorption  =
| streak      = Black
| gravity     = 5.72
| density     = 
| melt        = 
| fusibility  = 
| diagnostic  = 
| solubility  = 
| diaphaneity = 
| other       = 
| references  = <ref name=Jambor1967> {{cite journal |url= http://rruff.geo.arizona.edu/doclib/cm/vol9/CM9_191.pdf |author= Jambor, J.L.  |year= 1967 |title=  New lead sulfantimonides from Madoc, Ontario; Part 2, Mineral descriptions |journal = Canadian Mineralogist |volume=   9 |pages= 194–196}}</ref>
}}

'''Playfairite''' is a rare [sulfosalt mineral](/source/sulfosalt_mineral) with chemical formula Pb<sub>16</sub>Sb<sub>18</sub>S<sub>43</sub> in the [monoclinic](/source/monoclinic) [crystal system](/source/crystal_system),<ref name=mindat>{{cite web |url= http://www.mindat.org/min-3239.html |publisher= Mindat |title= Information page for Playfairite}}</ref><ref name=webmineral>{{cite web |url= http://webmineral.com/data/Playfairite.shtml |publisher= Webmineral |title=  Information page for Playfairite}}</ref> named after the Scottish scientist and mathematician [John Playfair](/source/John_Playfair).<ref name=handbookofmineralogy>{{cite web |url= http://www.handbookofmineralogy.org/pdfs/playfairite.pdf |publisher= Handbook of Mineralogy |title= Information page for Playfairite}}</ref> It was discovered in 1966 by the Canadian mineralogist [John Leslie Jambor](/source/John_Leslie_Jambor).<ref name=Jambor1967/><ref name=New>{{citation |url=http://www.minsocam.org/ammin/AM53/AM53_1421.pdf |author=[Michael Fleischer](/source/Michael_Fleischer_(mineralogist)) |year=1968 |title=New Mineral Names |journal=American Mineralogist|volume=53 |page=1424}}</ref><ref name=Jambor2008>[http://www.minsocam.org/msa/ammin/toc/Abstracts/2008_Abstracts/Apr08_Abstracts/Jambor_p710_08.pdf Lynne Jambor and John Dutrizac (2008), ''Memorial of John L. Jambor (1936-2008)'', American Mineralogist, vol. 93, pp. 710-712]</ref> Lead gray to black in color, its [luster](/source/lustre_(mineralogy)) is metallic. Playfairite shows strong reflection [pleochroism](/source/pleochroism) from white to brownish gray. Playfairite has a hardness of 3.5 to 4 on [Mohs scale](/source/Mohs_hardness) and a [specific gravity](/source/specific_gravity) of approximately 5.72.<ref name=mindat />

The [type locality](/source/type_locality_(geology)) is Taylor Pit (Concession XIV; Lot 13), [Huntingdon Township](/source/Centre_Hastings), Hastings County in [Ontario](/source/Ontario), [Canada](/source/Canada).<ref name=mindat/>  Small deposits have also been found in Les Cougnasses Mine, [Orpierre](/source/Orpierre) in the [Haut-Alpes](/source/Hautes-Alpes) in [France](/source/France),  Khaidarkan Sb-Hg deposit (Chaidarkan), [Fergana Valley](/source/Fergana_Valley), Alai Range, [Osh Oblast](/source/Osh_Region), [Kyrgyzstan](/source/Kyrgyzstan) and Reese River District, [Lander County](/source/Lander_County%2C_Nevada), [Nevada](/source/Nevada), [USA](/source/United_States).<ref name=mindat/>

== See also ==
*[List of minerals recognized by the International Mineralogical Association](/source/List_of_minerals_recognized_by_the_International_Mineralogical_Association)

==References==
{{reflist}}

{{wiktionary}}

Category:Sulfosalt minerals
Category:Lead minerals
Category:Monoclinic minerals

Category:Antimony minerals

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Adapted from the Wikipedia article [Playfairite](https://en.wikipedia.org/wiki/Playfairite) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Playfairite?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.