how to pronounce feldspar


how to improve pronunciation of feldspar

press buttons with phonetic symbols to learn about each sound.

press Play to play an example pronunciation of feldspar.

meanings of feldspar


  1. Any of a large group of rock-forming minerals that, together, make up about 60% of the earth's outer crust. The feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium. Feldspars are the principal constituents of igneous and plutonic rocks.