nephelinitic

• a word derived from nephelinite.
  nephelinite

  noun

  a fine-grained, dark rock of volcanic origin, essentially a basalt containing nepheline but no feldspar and little or no olivine.

More Suggestions

• nepheline
• nephritic
• aphanitic
• mephitic
• nephelometer
• nephritis
• Sinitic
• austenitic
• fedelini