You Are not parinoid (They may be viewing me also!). My wife is actually a glass artist and she uses silicone carbide to grind and polish her glass. Actually we have a machine called a flat lap which is a significant metal plate that spins even though water and carbide http://felixkqbw385.fotosdefrases.com/6-online-communities-about-silicon-carbide-mosfet-you-should-join