Yes, because pencil lead is actually graphite. It's very safe to touch, so, don't worry.
Slippery carbon refers to a form of carbon that has a low coefficient of friction, making it slippery to the touch. This type of carbon is often used in lubricants and coatings to reduce friction and improve performance in various industrial applications.
Graphite has a metallic to submetallic luster, appearing shiny or glossy in appearance.
Graphite is the mineral used in pencils. It is a form of carbon that allows for smooth writing and drawing.
Graphite itself is a naturally occurring mineral that is not created or consumed in a renewable manner. However, graphite can be recycled from products containing graphite, such as batteries or pencils, which helps reduce the need for new graphite extraction.
The common name for graphite is black lead.