mica
mahy kuh
- n any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity
- The mica is coated with microscopic particles of a secret light-sensitive material (3,000,000 particles.
- The explosive readily fractures the mica which binds the garnets together and sends the stones flying.
- The remarkable properties of high-grade sheet mica as an insulator make it invaluable as a strategic war material, where it is essential for radio tubes, radar equipment .