George W. MacLeod mine, McMurray Twp., near Wawa, Algoma Dist., Ontario, Canada

5.8 x 4.8 x 3.7 cm

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1950s or 60s

Small spherical aggregates of small crystals of Marcasite have formed on dogtooth Calcite crystals. The Calcite crystals have inclusions reddish Hematite, many of which exhibit red colored phantoms. The specimen is likely from the 1950s or 1960s. Specimens from the location are not common because of the strict prohibition placed against the miners for removing specimens.

Condition: Good

Flaws: Some of the Marcasite has deteriorated.

From the Robert Gannon collection

This mineral is also found in the following galleries: Minerals From Canada | Sulfides and Sulfosalts | Calcite | Oxides and Hydroxides | Minerals with Inclusions | Minerals Priced Between 25 and 49 Dollars