Obsidian is the first OC made by Sandstonegem.
Obsidian was made 4 500 years ago in Homeworld Kindergarten, as a fighter. After Obsidian won fight with 21 amethysts in a row, he became elite warrior
After Gem Rebellion started, Obsidian joined the war. He successfully defeated at least 56 crystal gems, before Homeworld Gems escaped the Earth (Centipeetle drawings -monster reunion)
Currently Obsidian is living in homeworld.
Obsidian's gem have triangular form, without any cuts. Gemstone located in navel
standart gem abbilities
Obsidian can shapeshift, fuse, summon weapons etc. like every normal gem can
he can control rocks with telekinesis.