Nepheline syenite

Kakortokite (eudialytic nepheline syenite) Kangerdluarssaq Fjord, far-southern Greenland. Slab is 9.5 cm tall.

Pseudoleucite nepheline syenite of the Intrusive Complex of Morro de São João, State of Rio de Janeiro, Brazil (Motoki et al., 2011b)

Nepheline syenite is a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or pink, and in general appearance they are not unlike granites, but dark green varieties are also known. Phonolite is the fine-grained extrusive equivalent.

单词	Nepheline syenite
释义	Nepheline syenite 英语百科 Nepheline syenite Nepheline syenite is a holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or pink, and in general appearance they are not unlike granites, but dark green varieties are also known. Phonolite is the fine-grained extrusive equivalent.
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