hafnon

Japanese: hafnon
hafnon

...In group IIIA, rare earth minerals include monazite CePO 4 (Ce is a light rare earth element), xenotime YPO 4 (Y is yttrium and heavy rare earth elements), actinide minerals include thorite ThSiO 4 and uraninite UO 2 , etc. In group IVA, zirconium and hafnium minerals include zircon ZrSiO 4 and hafnon HfSiO 4 , etc. In group VA, niobium and tantalum minerals include columbite (Fe 2+ , Mn)Nb 2 O 6 and tantalite (Fe 2+ , Mn) 2 Ta 2 O 6 , etc. ...

*Some of the terminology explanations that mention "hafnon" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…IIIA族では希土類元素の鉱物でモナザイトCePO4(Ceは軽希土類元素),ゼノタイムYPO4(Yはイットリウムおよび重希土類元素),アクチノイド元素の鉱物でトール石thorite ThSiO4,センウラン鉱UO2等。IVA族ではジルコニウム,ハフニウムの鉱物でジルコンZrSiO4,ハフノンhafnon HfSiO4等。VA族ではニオブ,タンタルの鉱物でコルンブ石columbite (Fe2+,Mn)Nb2O6,タンタル石tantalite (Fe2+,Mn)2Ta2O6等。…

※「hafnon」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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