🔤 Feldspar ✨
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URDU
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ENGLISH
📚noun
feldspar
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DEFINITION
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.
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SYNONYMS
felspar
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