Phosphate ore (Rinkou (English spelling) phosphorite)

Japanese: リン鉱(燐鉱) - りんこう(英語表記)phosphorite
Phosphate ore (Rinkou (English spelling) phosphorite)
A mineral whose main component is phosphorus (P). Phosphorus is an element found in relatively large quantities in the earth's crust. It forms phosphate minerals, but apatite (Ca 5 (PO 4 ) 3 (F,Cl,OH)) is the most common accessory mineral in igneous rocks, and it has been calculated that more than 90% of the phosphorus in the earth's crust exists as apatite. It also occurs as minerals such as amblygonite (LiAl(F,OH)(PO 4 ) (lithium resource), monazite (CePO 4 ) , and xenotime (YPO 4 ) . Organic sedimentary deposits, guano deposits, and carbonatite deposits are also major sources of phosphate rock.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
リンPを主要成分とする鉱物。リンは地殻中に比較的多く存在する元素である。リン酸塩鉱物をつくるが,リン灰石Ca5(PO4)3(F,Cl,OH)は火成岩の最も普通にある副成分鉱物であって,地殻中のリンの90%以上はリン灰石として存在するという計算もある。そのほかアンブリゴナイトLiAl(F,OH)(PO4)(リチウム資源),モナザイトCePO4,ゼノタイムYPO4などの鉱物として産出する。また有機堆積鉱床,グアノ鉱床,カーボナタイト鉱床も主要なリン鉱石資源である。

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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