Definitions Found:
NEPHELINE, a rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usually crystallizing in hexagonal prisms also NEPHELITE
- nephelinesNEPHELINE, a rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usually crystallizing in hexagonal prisms also NEPHELITE
- nephelitesNEPHELITE, a rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usually crystallizing in hexagonal prisms also NEPHELINE
- nephelinea rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usually crystallizing in hexagonal prisms also NEPHELITE
- nephelitea rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usually crystallizing in hexagonal prisms also NEPHELINE