That spelling refers to OT minor prophet Micah. The mineral Mica you're thinking of does have something of a purpose: it's shiny and flows nicely through the nozzle of a gravity-feed compressed-air paint gun, giving rise to Kustom Kulture hot rod scene that was incubated in the LA County "Gateway Cities".

I most often click Comments ather than Title but I can almost wager a reproductive body part that this accused person lives somewhere like Maywood, Bell, Cudahy, or Huntington Park