Nephelites

nepheline

[nef-uh-lin]
noun
a feldspathoid mineral, essentially sodium aluminum silicate, NaAlSiO 4 , occurring in alkali-rich volcanic rocks.
Also, nephelite [nef-uh-lahyt] .


Origin:
1805–15; < French néphéline, equivalent to néphél- (< Greek nephélē cloud) + -ine -ine2

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World English Dictionary
nepheline or nephelite (ˈnɛfɪlɪn, -ˌliːn, ˈnɛfɪˌlaɪt)
 
n
a whitish mineral consisting of sodium potassium aluminium silicate in hexagonal crystalline form: used in the manufacture of glass and ceramics. Formula: (Na,K)(AlSi)2O4
 
[C19: from French néphéline, from Greek nephelē cloud, so called because pieces of it become cloudy if dipped in nitric acid]
 
nephelite or nephelite
 
n
 
[C19: from French néphéline, from Greek nephelē cloud, so called because pieces of it become cloudy if dipped in nitric acid]

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