Spar

Of mineral.

Any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable.

This concept's ID is @1~76245

Contains

  • feldspar 4 facts

    Any of a group of hard crystalline minerals that consist of aluminum silicates of potassium...

  • calcite 4 facts

    A common mineral consisting of crystallized calcium carbonate; a major constituent of l...