GAMES RIGHT! What is the softest known mineral? Graphite Aluminum Talc Next Question Talc is the softest known mineral. It can be easily scratched and is listed as a 1 on the hardness scale for minerals. Talc ranges from white to gray in color. This metamorphic rock can be used to make paper, plastic, rubber, and even food! © 2024 High Touch Entertainment, LLC All Rights Reserved Tweet