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・ Auriculella perpusilla
・ Auriculella pulchra
・ Auriculella tenella
・ Auriculella uniplicata
・ Auriculibuller
・ Auriculigerina
・ Auriculigerina miranda
・ Auriculinella
・ Auriculoceryx
・ Auriculoceryx basalis
・ Auriculoceryx kannegieteri
・ Auriculoceryx pterodactyliformis
・ Auriculoceryx transitiva
・ Auriculotemporal nerve
・ Auriculotherapy
Auricupride
・ Auricélio Neres Rodrigues
・ Auricélio Soares dos Santos
・ Aurie's Star Handicap
・ Auriea Harvey & Michaël Samyn
・ Auriel Andrew
・ Auriel Bessemer
・ Auriemma
・ Auriesville, New York
・ Aurieyall Scott
・ Aurifaber
・ Aurifeuillean factorization
・ Aurificaria
・ Aurifilum
・ Auriflama


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Auricupride : ウィキペディア英語版
Auricupride

Auricupride is a natural alloy that combines copper and gold. Its chemical formula is Cu3Au. The alloy crystallizes in the Cubic crystal system and occurs as malleable grains or platey masses. It is an opaque yellow with a reddish tint. It has a hardness of 3.5 and a specific gravity of 11.5.〔http://www.handbookofmineralogy.org/pdfs/auricupride.pdf Handbook of Mineralogy〕
A variant called ''tetra-auricupride'' (CuAu) exists. Silver may be present resulting in the variety ''argentocuproauride'' (Cu3(Au,Ag)).〔(【引用サイトリンク】title=Auricupride: Auricupride mineral information and data )
It was first described in 1950 for an occurrence in the Ural Mountains Russia. It occurs as low temperature ''unmixing'' product in serpentinites and as reduction "halos" in redbed deposits. It is most often found in Chile, Argentina, Tasmania, Russia, Cyprus, Switzerland and South Africa.〔〔
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Auricupride」の詳細全文を読む



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