Graphite: Roadcut occurrence near

Gooderham, Ontario, Canada

1.8 mm graphite aggregate etched from calcite. The aggregate shows a curious 3-fold symmetry. John A. Jaszczak collection #1811 and photo.

2-mm graphite sphere in calcite. (Polished thin section.) Photographed in reflected light with crossed polarizers. John A. Jaszczak collection and photo.

1.2 mm graphite aggregate, etched from calcite, showing a rather flatter morphology than #1811. John A. Jaszczak collection #1808 and photo.

Cross-section of a 1-mm triform cut perpendicular to its 3-fold axis, photographed in reflected polarized light with crossed polars.	Higher magnification view of triform cross section near its center.

1-mm graphite with pseudo-octahedral habit and a round girdle.