selenite

/ˈsɛlɪnaɪt/
noun
  1. A soft, clear, colorless or white form of gypsum that can be easily scratched or carved.
    • Selenite is often used in jewelry and decorative objects because of its gentle shine.
    • The museum had a beautiful carved selenite lamp that glowed softly.
    • She collected a piece of selenite from the desert because it looked like a clear crystal.
  2. A type of mineral that forms in long, flat, transparent crystals.
    • Geologists found selenite growing in thin, sheet-like layers underground.
    • Some selenite specimens are so clear you can read a newspaper through them.
    • The selenite crystals in the cave were as long as a person's arm.
What does "selenite" mean? | whatsthatwordmean | whatsthatwordmean