Common and lesser known stones, minerals an just plain old rocks of a black colour are:
Antimony, Augite, Coal -bituminous, Columbite, Enargite, Franklinite, Granite - black, Graphite, Ilvaite, Marble - black, Polybasite, & Slate - black.
Gem stones and crystals include:
Bort or Black Diamond, Coral -black, Chatoyant Quartz (aka Hawk's Eye), Hematite, Jet, Obsidian, Onyx, Pearl - black, Schorl (aka Black Tourmaline) and Smokey Quartz.