This may not be the largest graphite specimen in the world…
but it is one of the largest graphite balls!
Balls of Graphite in calcite matrix from Gooderham, Ontario
The overall specimen measures 3.5 x 3.0 x 2.5 cm
The largest ball measures 0.5 cm
The balls are composed of micro crystals of graphite.
Dr. John A. Jaszczak is crazy nuts for graphite.
His website has a ton of information on graphite from the same location as this specimen.