noun. ['ˈfɛldˌspɑːr'] any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium.
- atomic number 14
Words that Rhyme with Feldspar
Example sentences of the word feldspar
1. Noun, singular or mass
Arkose is a form of sand high in feldspar and granite.
2. Verb, non-3rd person singular present
For example, hydrolysis changes feldspar into clay.
Turquoise, lapis lazuli and feldspar symbolized good luck, while amethysts represented happiness.