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出典:Wiktionary
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loveringite
出典:Wikipedia
出典:『Wikipedia』 (2011/05/28 06:15 UTC 版)
Loveringite is a rare metallic oxide mineral of the crichtonite group with the chemical formula (Ca,Ce)(Ti,Fe,Cr,Mg)21O38. It is a late-stage magmatic mineral, formed in the residual melt of mafic layered intrusions in either the olivine-chromite, pyroxene, or plagioclase-rich layers.
Loveringite