Powdered graphite is the same graphite that pencil leads are made of, only ground into fine powder. You can "paint" it on paper with brushes to make watercolor
How to draw using graphite powder blending stump & eraser
Ink And Graphite On The Easel - Carol's Drawing Blog
Daniel Sprick Painting Portrait Workshop - What I Learned
Using charcoal and graphite together, art demonstration
Drawing (Painting) With Powdered Graphite - Carol's Drawing Blog
Powdered Graphite – Secret Weapon for Graphite Drawing
July, 2010
botanical illustration Archives - Carol F. Creech, Artist & Maker
Graphite on Paper — Liz Mamorsky
Graphite Powder Drawing Tips
Sketches and a new piece - Carol F. Creech, Artist & Maker