Charring means partially burning so as to blacken the surface. Later he used soot to blacken its ears and nose, hence the name "Sooty". At this stage, the tissues begin to liquefy and the skin will start to blacken. Fugitive pigments fade over time, or with exposure to light, while some eventually blacken. On the occasion people blacken each other's faces with soot. The prisoners are emaciated; they lose their teeth, and their gums blacken. Fruit bodies of some species, notably "Hygrocybe conica", blacken with age or when bruised. Magnus noted that the resulting solution of silver nitrate could blacken skin. The seeds are minute, tan-to-brown, and blacken with age. Like graphite, molybdenite can be used to blacken a surface or as a solid lubricant. It had the same tendency to blacken, but was more durable. "I'd have to blacken my teeth first before the Academy will take me seriously". It is used historically to blacken leather and as a constituent of ink. Hassan explained that Silas plans to "blacken" Lynsey's name with the scheme. Recent actors who chose to "blacken up" include Laurence Olivier (1965) and Orson Welles.