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Auricupride

Posted by Rock Currier  
avatar Auricupride
May 27, 2009 10:25AM
©


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This article is a place holder and needs someone to take it in hand and finish the first draft. If you would like to take this article in hand, leave a reply message below or contact Rock Currier via private message by clicking on the PM button next to my name at the top of the article.



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This article is in a pre-construction phase.
Someone is needed to work on this article which contains a few preliminary notes.

1. The localities need to be brought into conformity with mindat locality strings if necessary, reversed and made bold.
2. The images need to be embedded in the article.
3. The captions for the images need to be added.
4. The images need to be tweaked so that they look nice. This last bit is tedious and requires some little artistry.
5. Someone needs to go through the images in the mindat gallery and to select the good images and their localites not represented here and place them in the article.



Auricupride/url]
Cu3Au Orthorhombic
Auricupride, Zolotaya Gora Au deposit, Karabash, Chelyabinsk Oblast', Urals Region, Russia FOV 3mm© Knut Eldjarn


Auricupride
Russia
Urals Region, Southern Urals, Chelyabinsk Oblast', Karabash (Karabasch), Soimon Valley, Zolotaya Gora (Zlataya Gora; Zlatoya Gora) Au deposit
We need someone to tell us about the Auricupride specimens from this locality.


Auricupride Rare species collections.
Cu3Au
Russia
Siberia, Noril’sk Region, Talnakh, Oktybr Deposit. It is yellow with a pink tint and is massive and found in grains, patches and platy aggregates up to about 100 μm. Positively identified specimens of this material tend to be probe mounts. Found associated with gold alloys, gold, zvyagintsevite, polarite, Pt-Fe, galena, sphalerite and rarely sperrylite in the sulfide ores of the Talnakh deposit.”1 “Copper and gold form a continuous solid solution series in the synthetic system, but only above 410 C. Below that temperature solid state reactions occur resulting in miscibility gaps between phases centered around the compositions Cu3Au, CuAu, and CuAu3.(Hansen and Anderko, 1958). This is reflected in nature. …The phase with the Cu3Au composition has been named auricupride.”2
1 Encyclopedia of Minerals, Roberts, Campbell, Rapp, Second Edition, 1990, p56 - 2 Mineralogical Record, Vol. 13, 1982, p392.



Click here to view Best Minerals A and here for Best Minerals A to Z and here for Fast Navigation of completed Best Minerals articles.

Rock Currier
Crystals not pistols.



Edited 3 time(s). Last edit at 12/27/2012 07:53AM by Rock Currier.
avatar Re: Auricupride
May 27, 2009 09:23PM
ca    
Ten or twenty years ago there were some flecks of Auricupride and Tetraauricupride in cm sized quartz from Brazil. I couldn't tell the difference but thay were supposedly analysed.



Edited 1 time(s). Last edit at 05/27/2009 09:25PM by Rob Woodside.
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