perrieriten.
/ˈpɛrɪərʌɪt/, U.S. /ˈpɛriəˌraɪt/ Mineralogy.
A monoclinic silicate of lanthanides, titanium, iron, and other elements, (Ca,Ce,Th)4(Mg,Fe2+)2(Ti,Fe3+)3Si4O22, occurring as black or reddish brown prismatic crystals.
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the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > cerite > cerium or rare earth silicates
tritomite1856
rinkite1885
hellandite1903
nordite1941
perrierite1951
spencite1961
tundrite1965
tritomite-Y1966
1951 Chem. Abstr. 45 7923 (heading) Perrierite, a new mineral.
1979 Science 26 Oct. 443/2 Perrierite and zircon from the charnockitic pegmatites..at Forefinger point were analyzed for uranium and lead concentrations.
2002 Mineral. Mag. 66 1075 Chevkinite and perrierite are shown to be compositionally distinct.
This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1951