Calcite, Lafarge Quarry, Blackburn Hamlet, Ontario, Canada
Calcite occurs in many crystal habits, but it is less commonly found in prismatic form as seen in this specimen. This fine example from the Lafarge Quarry in Blackburn Hamlet, Ontario, Canada, displays sharp, well-defined crystals with excellent clarity and form a rare and attractive variation of Calcite from this locality. 5.7 x 5.5 x 2.8 cm