Mineral: Millerite and Calcite on Quartz (variety chalcedony)
Locality: Harrodsburg area, Clear Creek Township, Monroe County, Indiana, USA
Dimensions: Millerite strands are over 5 cm in length

Description: Collected at the roadside as a whole geode (hardly considered "field collecting"!) about 2005. Insured as part of my insured specimens.

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