what is garnet from steven universe made of
â. Garnet is one of the main four protagonists in Steven Universe. She is the leader of the Crystal Gems.ppearance. Garnet is the tallest of the Crystal Gems. She has dark skin and curly black hair that is styled into a cube-shaped afro. Her eyes are always covered by futuristic shades and it is revealed she has three eyes. She wears a black and red bodysuit with cube shoulder pads and a pink star on her chest.