出典:Wiktionary
出典:『Wiktionary』 (2025/08/27 16:26 UTC 版)
From German Monazit, from Ancient Greek μονάζω (monázō, “be solitary”).
monazite (plural monazites)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/30 21:09 UTC 版)
Monazite is a reddish-brown phosphate mineral containing rare earth metals and is an important source of thorium, lanthanum, and cerium. It occurs usually in small isolated crystals. There are actually at least four different kinds of monazite, depending on relative elemental composition of the mineral: