Description: Graphite, Calcite Louis Coupal prospect, Arundel, Quebec, Canada cabinet Who put that on exhibit... Say- look who it is from. Actually, the graphite crystals from this prospect can be exceptionally large (over 4 cm) and are quite well formed. They occur in seams of greenish coarse-grained calcite. Mr. Coupal even published a little booklet about graphite in 1920.

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