ALL meanings of nephelinite
neph·e·lin·ite
N n - noun nephelinite a fine-grained, dark rock of volcanic origin, essentially a basalt containing nepheline but no feldspar and little or no olivine. 1
- noun nephelinite a fine-grained basic laval rock consisting of pyroxene and nepheline 0
- noun nephelinite a grayish, fine-grained or porphyritic igneous rock composed mainly of nepheline and pyroxene 0