Chanel Graphite Le Vernis ($25.00 for 0.4 fl. oz.) is described as a "metallic silver," and I imagine the inspiration came from graphite itself. A quick Google image search will turn up several results and this certainly resembles graphite--even in the finish. It truly gleams in the sunlight.
Brilliance to your fingertips with must-have colours from the runways of Paris. State-of-the-art formula strengthens and moisturizes nails. Unique patented non-spill bottle with wiping action for easy application.