felspar

Noun
  1. Any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium (synset 114889112)
    is a type of: spar - any of various nonmetallic minerals (calcite or feldspar) that are light in color and transparent or translucent and cleavable
    subtypes:
    • orthoclase - a white or colored monoclinic feldspar
    • oligoclase, plagioclase - any of a series of triclinic feldspars that form rocks
    • moonstone - a transparent or translucent gemstone with a pearly luster; some specimens are orthoclase feldspar and others are plagioclase feldspar
    substance holonym: atomic number 14, si, silicon - a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
    same as: feldspar

Found on Word Lists

Other Searches