N1E1P3H4E1L1I1N1E1
14 points
NEPHELINE is validvalid
[n NEPHELINES]
a rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usually crystallizing in hexagonal prisms, also NEPHELITE [n -S]
[n NEPHELINES]
a rock-forming mineral, silicate of sodium, potassium and aluminium, colourless, usually crystallizing in hexagonal prisms, also NEPHELITE [n -S]