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Calcite (Var: Anthraconite)

This image has been released to the public domain and may be used freely.

Locality: Squaw Bay, Alpena Co., Michigan, USA

Dimensions: image 1.75" of the 3" x 2" x 1.5" specimen

Oil-brown anthraconite, a variety of calcite with oil inclusions. Known as "stinkstone" as it smells of oil when struck or broken. Old collection specimen.

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Photo added: 13th May 2011

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