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 .
NSA leaker's girlfriend posts about her shock, goes silent MICA graduate Lindsay Mills is from Laurel They don't make many power couples like this: He's a self-proclaimed whistle blower, the focus of international headlines and Obama administration ire. She describes herself as a "world-traveling, pole-dancing super hero."
June 12, 2013 - Baltimore Sun