Definitions
any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
Word origin
Partial calque of German Feldspat, formed from Feld (“field”) + Spat (“spar”), the second element replaced with the English cognate spar.
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Common mineral”8 letters
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