…It occurs as a phenocryst in potassium-rich alkaline volcanic rocks, and is abundant on Mount Vesuvius in Italy. Pseudoleucite is a mixture of nepheline, analcime, and orthoclase as a result of alteration. [Toru Ozawa]. … *Some of the terminology explanations that mention "fake rhodium" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…Kに富むアルカリ火山岩の斑晶として産出し,イタリアのベスビオ火山に多産。偽白リュウ石pseudoleuciteは変質の結果ネフェリン,方沸石,正長石の混合物になったものをさす。【小沢 徹】。… ※「偽白リュウ石」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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