Other crossword clues for answer "FELDSPAR"FELDSPAROrthoclase or albiteIgneous rockMineral in graniteMineral in glassmakingCrystal-like mineralRock-forming mineralIgneous rock constituentImportant constituent of igneous rocksMineral that crystallizes from magmaRock-forming mineral that makes up over half of the earth's crustMost of the earth's crust60% of the earth's outer crustRock-forming mineral that makes up nearly 60% of the Earth's crust