Millerite on Quartz - Harrodsburg area, USA - both examples are about 10 cm. The millerite strands are up to 3.0 cm

Mineral: Millerite on Quartz
Locality: Harrodsburg area, Clear Creek Township, Monroe County, Indiana, USA
Dimensions: both examples are about 10 cm. The millerite strands are up to 3.0 cm

Description: millerite sprays on quartz